牛津版（深圳·广州）初中英语九年级上册Module2 Ideas and viewpoints Unit 4 Problems and advice 第5课时同步训练
一、根据句意及首字母提示完成单词。
1．I still r that I didn't
follow your advice.
2．Though we may f , we would like
to try.
3．What will you do in the same s
next time
4．It is p to say "thank
you" when others help you.
5．Lily is old enough to make up her
own m .
二、单项选择。
6．We are ______ a bad situation, but we should never give up.
A．at B．in C．or D．with
7．Stop ______, please. The baby is sleeping.
A．talk B．talked C．talking D．to talk
8．Pay attention ______ the rules.
A．obey B．obeying C．to obey D．to obeying
9．You can go out with your friends ______ you finish your homework first.
A．only if B．what if C．if any D．if possible
10．Do you know ______ a bicycle
A．what to ride B．how to ride
C．what can I ride D．how can I ride
三、根据汉语提示完成句子，每空一词。
11．如果你无法下定决心，向你的父母征询一下意见吧。
If you can't ,
ask your parents for advice.
12．你必须关注这个问题。
You must this
problem.
13．除非我们现在动身，我们才能赶上火车。
We will catch up the train
we set off right now.
14．我相信你已经吸取了一个重要的教训。
I believe you've .
15．如果你没有适时做正确的事情你会懊悔。
You'll it if you don't do the
right thing .
四、语法填空。
16．阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
My father died when I was little kid. We were too poor buy
food. My mother got two part-time jobs to pay my education. She did
everything to make me live (happy).
At age of twenty-two, I found a good job. However, a few
(month) later, the doctor told me I had a stomach cancer. It's difficult for me
to (accept) the fact. My mother (cook) simple but delicious food
for me.
After another CT, the doctor told me my tumor (肿瘤) got much
(small) than before, and I was away from the (dangerous) of the cancer.
五、阅读理解。
17．阅读理解
Young people can have problems with their minds. Some students become
worried because they have to study very hard. Others have trouble getting on
well with people like their parents or classmates.
Liu, a Junior 2 student from Hefei, could not understand his teacher and
was doing badly in class. He became so worried about it that he started to cut
his finger with a knife. Another student, the 14-year-old Yan from Guangzhou,
was afraid of exams. She got very worried, and when she looked at the exam
paper, she couldn't think of anything.
October 10 was World Mental Health Day (世界精神卫生日). A recent report from Jiefang
Daily (《解放日报》) said about18 percent of Shanghai teens
have mental problems.
Their troubles include being worried, very unhappy or having problems in
learning and getting on well with other people.
According to experts, children from troubled families are most likely to
become ill. More boys than girls have mental problems.
Yu Zhengrong, a doctor at Yangsi School in Shanghai, said Junior 1
students often start to have problems when they begin at a new school.
Many students who have problems won't go for advice or help. Some think
they will look stupid if they go to a doctor, and others don't want to tell
their secrets.
Liang Yuezhu, an expert on teenagers from Beijing Anding Hospital, has
the following advice for teens:
Talk to your parents or teachers often.
Join in group activities and play sports.
Go to see a doctor if you feel unhappy or unwell.
（1）If young people have problems in mind, what will happen to them
A．They will be happy with everything.
B．They will have a talk with their parents or teachers.
C．They will do strange things.
D．There are always smiles on the face.
（2）According to the passage, the students at the age of ______ often begin to have mental problems when they begin at a new school.
A．5—6 B．9—10 C．12—14 D．18—20
（3）If a student has mental problems, what should he do
A．He'd better not go out and ask for help because other people will laugh at him.
B．He'd better go to see a doctor for advice.
C．He'd better not always get together with the classmates or friends.
D．It's not important. Don't mind.
（4）Which is TRUE according to the passage
A．About 18 percent of the students have problems in mind in China.
B．Only talking to parents can cure the mental problems.
C．Less girls have mental problems than boys.
D．Mental problems are common, and they come and go quickly.
答案解析部分
1．【答案】regret
【知识点】动词原形
【解析】【分析】句意：我到现在还后悔没有听你的劝告。句子缺少谓语，应该用动词。根据句意和首字母提示可知regret，后悔，动词，符合题意，故答案为regret。
【点评】考查动词原形。注意识记动词regret的用法。
2．【答案】fail
【知识点】动词原形
【解析】【分析】句意：虽然我们可能会失败，但我们愿意尝试。may后跟动词原形。根据 we would like to try.和though及首字母提示可知虽然可能“失败”，但我们还是愿意尝试，故答案为fail。
【点评】考查动词原形。注意识记动词fail的用法。
3．【答案】situation
【知识点】不可数名词
【解析】【分析】句意：下次遇到同样的情况你会怎么做？形容词修饰名词，根据句意和首字母提示可知situation，名词， 情况，符合题意，故答案为situation。
【点评】考查不可数名词。注意识记名词situation的用法。
4．【答案】polite
【知识点】形容词原级
【解析】【分析】句意：当别人帮助你时，说“谢谢”是有礼貌的。be动词后跟形容词做表语。根据句意和常识可知别人帮忙时要说谢谢是“有礼貌的”，polite形容词，有礼貌的，符合题意，故答案为polite。
【点评】考查形容词原级。注意识记形容词polite的用法。
5．【答案】mind
【知识点】可数名词
【解析】【分析】句意：莉莉已经长大了，可以自己做决定了。根据her own（她自己的）可知这里用名词。根据句意和固定搭配，make up one's mind，决定，下决心可知mind，符合题意，故答案为mind。
【点评】考查名词。注意识记固定搭配中mind的用法。
6．【答案】B
【知识点】介词辨析
【解析】【分析】句意：我们处于一个糟糕的处境，但我们不应该放弃。根据句意和固定搭配，在……处境，in a /the ……situation，可知这里用介词in，故答案为B。
【点评】考查介词辨析。注意识记介词in的用法。
7．【答案】C
【知识点】动名词
【解析】【分析】句意：请停止说话。婴儿在睡觉。talk谈话，动词原形；talked过去式；talking动名词；to talk动词不定式。stop doing sth停止做某事；stop to do sth停下来去做某事；根据The baby is sleeping. 可知是停止说话，用动名词，故答案为C。
【点评】考查动名词。注意识记stop doing的用法。
8．【答案】D
【知识点】固定搭配
【解析】【分析】句意：注意遵守规则。根据句意和固定搭配，pay attention to doing sth，注意做某事，可知这里用to+动名词，故答案为D。
【点评】考查介词和动名词。注意识记固定搭配的用法。
9．【答案】A
【知识点】短语辨析
【解析】【分析】句意：只有先完成作业，你才能和朋友出去。only if 只要……就；只有；what if
假使……将会怎么样；如果；if any若有的话；即便要； if possible 如果可能的话；根据句意和语境可知是只有的意思，故答案为A。
【点评】考查短语辨析。注意识记only if的用法。
10．【答案】B
【知识点】固定搭配
【解析】【分析】句意：你知道怎么骑自行车吗 根据句子结构可知这里是做宾语的，C和D选项是疑问语序，排除；what to ride骑什么；how to ride怎么骑，根据空后的a bicycle，可知这里是问方式，故答案为B。
【点评】考查疑问词+动词不定式的用法。注意识记疑问词+动词不定式的用法。
11．【答案】make；up；your；mind
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“下定决心”；make up one's mind下决心；主语是你，物主代词用your，can't后跟动词原形，故答案为make up your mind。
【点评】考查汉译英。注意识记固定搭配make up one's mind的用法。
12．【答案】pay；attention；to
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“关注”；pay attention to注意，关注；must后跟动词原形。故答案为pay attention to。
【点评】考查汉译英。注意识记固定搭配pay attention to的用法。
13．【答案】only；if
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“除非”；only if只有，除非，符合题意，故答案为only if。
【点评】考查汉译英。注意识记固定搭配only if的用法。
14．【答案】learned/learnt；an；important；lesson
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“吸取了一个重要的教训”；learn an important lesson吸取一个重要的教训，根据you've，可知这里是现在完成时，用过去分词，故答案为learned/learnt an important lesson。
【点评】考查汉译英。注意识记固定搭配learn a lesson的用法。
15．【答案】regret；at；the；right；moment
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“懊悔”和“适时”。regret后悔，懊悔；at the right moment在合适的时候；助动词will后跟动词原形，故答案为regret at the right moment。
【点评】考查汉译英。注意识记固定搭配并正确运用时态。
16．【答案】a；to；for；happily；the；months；accept；cooked；smaller；danger
【知识点】语法填空
【解析】【分析】短文大意：本文作者介绍了自己的情况：父亲早逝，母亲做两份兼职养活我，后来长大找到工作几个月后我又得了胃癌，在妈妈的照顾下病情好转了很多。
（1）句意：我父亲在我很小的时候就去世了。根据后面的可数名词kid可知这里缺少冠词a，故答案为a。
（2）句意：我们穷得买不起食物。根据句意和too…to太……以至于不能……可知这里缺少不定式标志to，故答案为to 。
（3）句意：我母亲找了两份兼职工作来支付我的学费。根据句意和固定搭配pay for可知这里缺少介词for，故答案为for。
（4）句意：她想尽一切办法让我幸福地生活。happy形容词，开心的；根据句子结构可知这里是修饰动词live，应该用副词形式，故答案为happily。
（5）句意：22岁时，我找到了一份好工作。根据句意和固定搭配at the age of可知这里缺少定冠词the，故答案为the。
（6）句意：然而，几个月后，医生告诉我，我得了胃癌。month月，名词；根据a few几个，可知这里用复数名词，故答案为months。
（7）句意：我很难接受这个事实。accept接受，动词；根据句子结构可知这里是动词不定式，用动词原形，故答案为accept。
（8）句意：我妈妈为我做了简单但美味的食物。cook做饭；根据上下文可知这里是一般过去时，用动词的过去式，故答案为cooked。
（9）句意：在又一次CT检查后，医生告诉我，我的肿瘤比以前小了很多。small小的，根据空前的much和句意可知这里用比较级，故答案为smaller。
（10）句意：我远离了癌症的危险。dangerous形容词；根据空前的定冠词the可知这里用名词，dangerous的名词为danger，故答案为danger。
【点评】考查语法填空。需要结合语境，根据所给单词，做必要的变形，同时熟记固定搭配和基本句型。
17．【答案】（1）C
（2）C
（3）B
（4）C
【知识点】医疗保健类
【解析】【分析】短文大意：年轻人可能会有思想上的问题。他们的问题包括担心，非常不开心或在学习和与他人相处上有问题。有心理问题的男孩比女孩多。许多有问题的学生不会去寻求建议或帮助。一些人认为如果他们去看医生会看起来很愚蠢，而另一些人不想告诉他们的秘密。北京安定医院青少年专家梁月柱给青少年提出了以下建议:经常和你的父母或老师交谈。参加团体活动，做运动。如果你感到不高兴或不舒服就去看医生。
（1）推理判断题。A.他们对一切都很满意。B.他们会和父母或老师谈谈。C.他们会做出奇怪的事情。D.脸上总是挂着微笑。根据第二段中合肥初二学生的描述可知如果年轻人心理有问题，他们会做出奇怪的事情，故答案为C。
（2）推理判断题。根据文中句子 Yu Zhengrong, a doctor at Yangsi School in Shanghai, said Junior 1 students often start to have problems when they begin at a new school. 可知初中一年级的学生在进入新学校时经常会出现问题。初一的学生年龄一般在12--14岁，故答案为C。
（3）细节理解题。A.他最好不要出去寻求帮助，因为别人会嘲笑他的。B.他最好去看医生。C.他最好不要总是和同学或朋友在一起。D.这不重要。不介意。根据文中给的建议Go to see a doctor if you feel unhappy or unwell. 可知如果年轻人心理有问题，应该去看医生，故答案为B。
（4）细节理解题。A.在中国大约有18%的学生有心理问题。B.只有和父母交谈才能治愈心理问题。C.女孩比男孩有精神问题的少。D.心理问题很常见，而且来去很快。根据文中句子More boys than girls have mental problems. 可知男孩比女孩有精神问题的多，也就是女孩比男孩有精神问题的少。故答案为C。
【点评】考查健康类阅读。细节理解题首先找出问句中的关键词，然后定位到文章具体位置，选出正确选项即可。
牛津版（深圳·广州）初中英语九年级上册Module2 Ideas and viewpoints Unit 4 Problems and advice 第5课时同步训练
一、根据句意及首字母提示完成单词。
1．I still r that I didn't
follow your advice.
【答案】regret
【知识点】动词原形
【解析】【分析】句意：我到现在还后悔没有听你的劝告。句子缺少谓语，应该用动词。根据句意和首字母提示可知regret，后悔，动词，符合题意，故答案为regret。
【点评】考查动词原形。注意识记动词regret的用法。
2．Though we may f , we would like
to try.
【答案】fail
【知识点】动词原形
【解析】【分析】句意：虽然我们可能会失败，但我们愿意尝试。may后跟动词原形。根据 we would like to try.和though及首字母提示可知虽然可能“失败”，但我们还是愿意尝试，故答案为fail。
【点评】考查动词原形。注意识记动词fail的用法。
3．What will you do in the same s
next time
【答案】situation
【知识点】不可数名词
【解析】【分析】句意：下次遇到同样的情况你会怎么做？形容词修饰名词，根据句意和首字母提示可知situation，名词， 情况，符合题意，故答案为situation。
【点评】考查不可数名词。注意识记名词situation的用法。
4．It is p to say "thank
you" when others help you.
【答案】polite
【知识点】形容词原级
【解析】【分析】句意：当别人帮助你时，说“谢谢”是有礼貌的。be动词后跟形容词做表语。根据句意和常识可知别人帮忙时要说谢谢是“有礼貌的”，polite形容词，有礼貌的，符合题意，故答案为polite。
【点评】考查形容词原级。注意识记形容词polite的用法。
5．Lily is old enough to make up her
own m .
【答案】mind
【知识点】可数名词
【解析】【分析】句意：莉莉已经长大了，可以自己做决定了。根据her own（她自己的）可知这里用名词。根据句意和固定搭配，make up one's mind，决定，下决心可知mind，符合题意，故答案为mind。
【点评】考查名词。注意识记固定搭配中mind的用法。
二、单项选择。
6．We are ______ a bad situation, but we should never give up.
A．at B．in C．or D．with
【答案】B
【知识点】介词辨析
【解析】【分析】句意：我们处于一个糟糕的处境，但我们不应该放弃。根据句意和固定搭配，在……处境，in a /the ……situation，可知这里用介词in，故答案为B。
【点评】考查介词辨析。注意识记介词in的用法。
7．Stop ______, please. The baby is sleeping.
A．talk B．talked C．talking D．to talk
【答案】C
【知识点】动名词
【解析】【分析】句意：请停止说话。婴儿在睡觉。talk谈话，动词原形；talked过去式；talking动名词；to talk动词不定式。stop doing sth停止做某事；stop to do sth停下来去做某事；根据The baby is sleeping. 可知是停止说话，用动名词，故答案为C。
【点评】考查动名词。注意识记stop doing的用法。
8．Pay attention ______ the rules.
A．obey B．obeying C．to obey D．to obeying
【答案】D
【知识点】固定搭配
【解析】【分析】句意：注意遵守规则。根据句意和固定搭配，pay attention to doing sth，注意做某事，可知这里用to+动名词，故答案为D。
【点评】考查介词和动名词。注意识记固定搭配的用法。
9．You can go out with your friends ______ you finish your homework first.
A．only if B．what if C．if any D．if possible
【答案】A
【知识点】短语辨析
【解析】【分析】句意：只有先完成作业，你才能和朋友出去。only if 只要……就；只有；what if
假使……将会怎么样；如果；if any若有的话；即便要； if possible 如果可能的话；根据句意和语境可知是只有的意思，故答案为A。
【点评】考查短语辨析。注意识记only if的用法。
10．Do you know ______ a bicycle
A．what to ride B．how to ride
C．what can I ride D．how can I ride
【答案】B
【知识点】固定搭配
【解析】【分析】句意：你知道怎么骑自行车吗 根据句子结构可知这里是做宾语的，C和D选项是疑问语序，排除；what to ride骑什么；how to ride怎么骑，根据空后的a bicycle，可知这里是问方式，故答案为B。
【点评】考查疑问词+动词不定式的用法。注意识记疑问词+动词不定式的用法。
三、根据汉语提示完成句子，每空一词。
11．如果你无法下定决心，向你的父母征询一下意见吧。
If you can't ,
ask your parents for advice.
【答案】make；up；your；mind
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“下定决心”；make up one's mind下决心；主语是你，物主代词用your，can't后跟动词原形，故答案为make up your mind。
【点评】考查汉译英。注意识记固定搭配make up one's mind的用法。
12．你必须关注这个问题。
You must this
problem.
【答案】pay；attention；to
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“关注”；pay attention to注意，关注；must后跟动词原形。故答案为pay attention to。
【点评】考查汉译英。注意识记固定搭配pay attention to的用法。
13．除非我们现在动身，我们才能赶上火车。
We will catch up the train
we set off right now.
【答案】only；if
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“除非”；only if只有，除非，符合题意，故答案为only if。
【点评】考查汉译英。注意识记固定搭配only if的用法。
14．我相信你已经吸取了一个重要的教训。
I believe you've .
【答案】learned/learnt；an；important；lesson
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“吸取了一个重要的教训”；learn an important lesson吸取一个重要的教训，根据you've，可知这里是现在完成时，用过去分词，故答案为learned/learnt an important lesson。
【点评】考查汉译英。注意识记固定搭配learn a lesson的用法。
15．如果你没有适时做正确的事情你会懊悔。
You'll it if you don't do the
right thing .
【答案】regret；at；the；right；moment
【知识点】汉译英
【解析】【分析】根据中英文对照可知缺少部分为“懊悔”和“适时”。regret后悔，懊悔；at the right moment在合适的时候；助动词will后跟动词原形，故答案为regret at the right moment。
【点评】考查汉译英。注意识记固定搭配并正确运用时态。
四、语法填空。
16．阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
My father died when I was little kid. We were too poor buy
food. My mother got two part-time jobs to pay my education. She did
everything to make me live (happy).
At age of twenty-two, I found a good job. However, a few
(month) later, the doctor told me I had a stomach cancer. It's difficult for me
to (accept) the fact. My mother (cook) simple but delicious food
for me.
After another CT, the doctor told me my tumor (肿瘤) got much
(small) than before, and I was away from the (dangerous) of the cancer.
【答案】a；to；for；happily；the；months；accept；cooked；smaller；danger
【知识点】语法填空
【解析】【分析】短文大意：本文作者介绍了自己的情况：父亲早逝，母亲做两份兼职养活我，后来长大找到工作几个月后我又得了胃癌，在妈妈的照顾下病情好转了很多。
（1）句意：我父亲在我很小的时候就去世了。根据后面的可数名词kid可知这里缺少冠词a，故答案为a。
（2）句意：我们穷得买不起食物。根据句意和too…to太……以至于不能……可知这里缺少不定式标志to，故答案为to 。
（3）句意：我母亲找了两份兼职工作来支付我的学费。根据句意和固定搭配pay for可知这里缺少介词for，故答案为for。
（4）句意：她想尽一切办法让我幸福地生活。happy形容词，开心的；根据句子结构可知这里是修饰动词live，应该用副词形式，故答案为happily。
（5）句意：22岁时，我找到了一份好工作。根据句意和固定搭配at the age of可知这里缺少定冠词the，故答案为the。
（6）句意：然而，几个月后，医生告诉我，我得了胃癌。month月，名词；根据a few几个，可知这里用复数名词，故答案为months。
（7）句意：我很难接受这个事实。accept接受，动词；根据句子结构可知这里是动词不定式，用动词原形，故答案为accept。
（8）句意：我妈妈为我做了简单但美味的食物。cook做饭；根据上下文可知这里是一般过去时，用动词的过去式，故答案为cooked。
（9）句意：在又一次CT检查后，医生告诉我，我的肿瘤比以前小了很多。small小的，根据空前的much和句意可知这里用比较级，故答案为smaller。
（10）句意：我远离了癌症的危险。dangerous形容词；根据空前的定冠词the可知这里用名词，dangerous的名词为danger，故答案为danger。
【点评】考查语法填空。需要结合语境，根据所给单词，做必要的变形，同时熟记固定搭配和基本句型。
五、阅读理解。
17．阅读理解
Young people can have problems with their minds. Some students become
worried because they have to study very hard. Others have trouble getting on
well with people like their parents or classmates.
Liu, a Junior 2 student from Hefei, could not understand his teacher and
was doing badly in class. He became so worried about it that he started to cut
his finger with a knife. Another student, the 14-year-old Yan from Guangzhou,
was afraid of exams. She got very worried, and when she looked at the exam
paper, she couldn't think of anything.
October 10 was World Mental Health Day (世界精神卫生日). A recent report from Jiefang
Daily (《解放日报》) said about18 percent of Shanghai teens
have mental problems.
Their troubles include being worried, very unhappy or having problems in
learning and getting on well with other people.
According to experts, children from troubled families are most likely to
become ill. More boys than girls have mental problems.
Yu Zhengrong, a doctor at Yangsi School in Shanghai, said Junior 1
students often start to have problems when they begin at a new school.
Many students who have problems won't go for advice or help. Some think
they will look stupid if they go to a doctor, and others don't want to tell
their secrets.
Liang Yuezhu, an expert on teenagers from Beijing Anding Hospital, has
the following advice for teens:
Talk to your parents or teachers often.
Join in group activities and play sports.
Go to see a doctor if you feel unhappy or unwell.
（1）If young people have problems in mind, what will happen to them
A．They will be happy with everything.
B．They will have a talk with their parents or teachers.
C．They will do strange things.
D．There are always smiles on the face.
（2）According to the passage, the students at the age of ______ often begin to have mental problems when they begin at a new school.
A．5—6 B．9—10 C．12—14 D．18—20
（3）If a student has mental problems, what should he do
A．He'd better not go out and ask for help because other people will laugh at him.
B．He'd better go to see a doctor for advice.
C．He'd better not always get together with the classmates or friends.
D．It's not important. Don't mind.
（4）Which is TRUE according to the passage
A．About 18 percent of the students have problems in mind in China.
B．Only talking to parents can cure the mental problems.
C．Less girls have mental problems than boys.
D．Mental problems are common, and they come and go quickly.
【答案】（1）C
（2）C
（3）B
（4）C
【知识点】医疗保健类
【解析】【分析】短文大意：年轻人可能会有思想上的问题。他们的问题包括担心，非常不开心或在学习和与他人相处上有问题。有心理问题的男孩比女孩多。许多有问题的学生不会去寻求建议或帮助。一些人认为如果他们去看医生会看起来很愚蠢，而另一些人不想告诉他们的秘密。北京安定医院青少年专家梁月柱给青少年提出了以下建议:经常和你的父母或老师交谈。参加团体活动，做运动。如果你感到不高兴或不舒服就去看医生。
（1）推理判断题。A.他们对一切都很满意。B.他们会和父母或老师谈谈。C.他们会做出奇怪的事情。D.脸上总是挂着微笑。根据第二段中合肥初二学生的描述可知如果年轻人心理有问题，他们会做出奇怪的事情，故答案为C。
（2）推理判断题。根据文中句子 Yu Zhengrong, a doctor at Yangsi School in Shanghai, said Junior 1 students often start to have problems when they begin at a new school. 可知初中一年级的学生在进入新学校时经常会出现问题。初一的学生年龄一般在12--14岁，故答案为C。
（3）细节理解题。A.他最好不要出去寻求帮助，因为别人会嘲笑他的。B.他最好去看医生。C.他最好不要总是和同学或朋友在一起。D.这不重要。不介意。根据文中给的建议Go to see a doctor if you feel unhappy or unwell. 可知如果年轻人心理有问题，应该去看医生，故答案为B。
（4）细节理解题。A.在中国大约有18%的学生有心理问题。B.只有和父母交谈才能治愈心理问题。C.女孩比男孩有精神问题的少。D.心理问题很常见，而且来去很快。根据文中句子More boys than girls have mental problems. 可知男孩比女孩有精神问题的多，也就是女孩比男孩有精神问题的少。故答案为C。
【点评】考查健康类阅读。细节理解题首先找出问句中的关键词，然后定位到文章具体位置，选出正确选项即可。
