问题 单项选择题 A1/A2型题

特异性药物作用机制不包括()

A.改变细胞周围环境的理化性质

B.影响受体功能

C.影响递质释放或激素分泌

D.影响酶活性

E.影响离子通道

答案

参考答案:A

听力题

根据短文内容和以下提示:1)首字母提示,2)语境提示,3)汉语提示,在每个空格内填入一个适当的英语单词。所填单词要求意义正确,拼写准确。

The Internet has become 小题1: p      of teenage life.

A new report on 3,375 students aged from 10 to 18 in seven Chinese cities 小题2:   (报导)that 38 percent of them believe they use the Internet often.

Most of them get useful information and 小题3:   (提高) their study by using the Internet, while some are not using it in a good way.

In order to help young people use the Internet in a good way, a textbook 小题4:   good Internet behavior has started to be used in some middle schools in Shanghai this term. The book uses many real 小题5:   (例子)to teach students all about good ways of using the Internet, and it gives useful 小题6: a     such as it’s good to read news or find helpful information about study.

Some students also make online friends. But if you are meeting an online friend, make sure your parents know. Teachers and parents all think the book is of 小题7:g     help. A teacher said the book would be a guide for teenagers 小题8:    using the Internet. She believes it will keep students 小题9:    from bad websites(网址). “Many students are using the Internet without good guidance(指导)from their parents.” She said, “The book will teach students 小题10:     to be a good person in the online world.”

解答题