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问题 单项选择题

中国政府原定于2003年年底发布数字电视标准，但目前这一期限一直被推迟，而新的官方时间表还没有公布。由于本土数字电视标准的难产，很多中国的电视网络运营商开始探讨采用国际标准的可能性，同时厂商们为国内标准开发新产品的计划也停滞不前。通过这段文字我们可以知道：（）

A．电视网络运营商开始探讨采用国际标准

B．数字电视国内标准难产

C．开发新产品的计划也停滞不前

D．中国政府2003年年底未发布数字电视标准

答案

参考答案：B

听力题

In 20 years, our lives will be 小题1:   (不同的). It will be comfortable and   小题2:（容易的）.

In the school, there will be computers on   小题3:（每个人的） desk. We can use it to do our homework, send emails. We can send our homework to our teacher    小题4:   (用) email. Also, we can study at home. And we can play lots of computer games .

In our home, we will have many    小题5: （美丽的） rooms. In my room, I will have a big and comfortable bed. I will have a small and   小题6: （轻的） laptop. I will have a new and small cell phone. I can call my friends every day. I will have lots of interesting books.

In 20 years, I will find a good job, too. I can get much money a month. I will go 小题7:  （购物）and do sports every week. I will have a new robot. It can do much dull and   小题8:  （繁重的） work, so I will have lots of    小题9:  （空闲的） time. I’m sure I will have    小题10: （一个） interesting life.
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单项选择题 A1/A2型题

传出神经系统药物作用方式不含（）

A.改变受体特性

B.直接与受体结合

C.影响递质与受体结合

D.影响递质转化

E.影响递质贮存与释放
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