James: You're kidding. Dick Stevens asked you out？ Jane: You bet. We are going out for dinner tonight. James: Great.______.
A．Have a good time.
B．Take care of yourself.
C．Don't come back late.
D．Relax yourself.

This passage focuses on______.
A．the instructions for the Internet users
B．the historical development of the Internet
C．the kinds of data transferred through the Internet
D．the problems brought about the Internet

某市电话公司为提高自动化程度、减少开支，日前开始为消费者提供电子接线员系统。然而，在相当长一段时间内，人工接线员并不会因此而减少。下列各项都有助于解释上述现象，除了以下哪项？
A．如果在目前的合同期内解雇人工接线员，有关方面将负法律责任，赔偿额将是一笔大数目。
B．尽管已经通过了测试，新的电子接线员系统要全面发挥功能，还需要进一步调试。
C．在电子接线员系统的试用期内，几乎所有的消费者在能够选择的情况下，都愿意选择人工接线员。
D．新的电子接线员的接通效率是人：正接线员的2倍。

Host: What about a drink？ Guest:______.
A．Please don't be so polite.
B．I wouldn't mind a cup of coffee.
C．Could you spare me a cup of coffee？
D．I like coffee.

The key problem in dealing with returned plastic beverage containers is______.
A．to sell them at a profitable price
B．how to turn them into useful things
C．how to reduce their recycling costs
D．to lower the prices for used materials

【B6】
A．sometimes
B．occasionally
C．seldom
D．often