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问题 问答题

读图，完成下列要求：

（1）写出图中字母代表的地理事物名称：

A______洋；B______洋；C______洋；D______海；

E______湾；F______海峡；H______岛；I是______群岛；

（2）写出图中数字代表的地理事物：

①______河； ②______河；③______山脉；④______高原；

⑤位于______气候区；⑥位于______气候区．

答案

读图可知，

（1）A是北冰洋；B是太平洋；C是大西洋；D是加勒比海；E是墨西哥湾；F白令海峡；H格陵兰岛；I是西印度群岛．

（2）①是密西西比河； ②是亚马孙河；③是安第斯山脉；④是巴西高原；⑤位于苔原气候区；⑥位于温带大陆性气候区．

故答案为：

（1）北冰；太平；大西；加勒比；墨西哥；白令；格陵兰；西印度；

（2）密西西比；亚马孙；安第斯；巴西；苔原；温带大陆性．

解答题
设a，b，c为方程x3-4x-2=0的三个根，求
1+a
1-a
+
1+b
1-b
+
1+c
1-c
的值．
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阅读理解

Research has shown that music has an important effect on one’s body and psyche (心灵). In fact, there is a growing field of health care known as music therapy, which uses music to treat diseases. Even hospitals are beginning to use music therapy. This is not surprising, as music affects the body and mind in many powerful ways.

Research has shown that quick music can make a person feel more alert, while slow music can produce a calm, deep thinking state. Also, research has found that music can change brainwave activity levels. This can help the brain to change speeds more easily on its own as needed, which means that music can bring lasting benefits to your state of mind, even after you’ve stopped listening.

Breathing and heart rates can also be influenced by music. This can mean slower breathing, slower heart rate. This is why music and music therapy can help reduce the damaging effects of long-term stress, greatly promoting (促进) not only relaxation, but health.

Music can also be used to bring about a more positive state of mind by helping to keep worries at bay. Music has also been found to bring many other benefits, such as lowering blood pressure and reducing the risk of strokes. It is no surprise that so many people are considering music as an important tool to help the body become or stay healthy.

小题1:What can we infer about music therapy?

A．It is a type of music.

B．It is a research about music.

C．It is a kind of musical effect on diseases.

D．It is the use of music method to help treat diseases.小题2:The reason why music can help deal with stress is that ________.

A．it is used by many hospitals

B．it can help change brainwaves

C．it does good to breathing and heart rates

D．it can bring a more positive state of mind小题3:According to the passage, music can help deal with all the following EXCEPT ________.

A．nervousness

B．mind illnesses

C．strokes

D．high blood pressure小题4:The passage is mainly about _________.

A．the importance of music therapy

B．benefits music can bring

C．research on the effect of music

D．diseases music can help heal
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