23. ______ is known to us all is that China has launched Shenzhou V spaceship successfully.

A. That　　　　 B. What　　　　　 C. It　　　　　 D. As

22．He hasn't come yet．What do you consider _______ to him？

A．happens　　　　　　　　　　　 B．has happened　　　

C．happening　　　　　　　　　　 D．to happen

21. Unfortunately, when I dropped in, Doctor Li _____ for Beijing to join in the fight again SARS, so we only had time for a few words.

　A. just left　　 　 　 　 　　　　　 B. has just left　　 　

C. is just leaving　 　　　　　　 D. was just leaving

35. ----How long are you staying?

　　 ----I don't know.___________.

　　　 A. That's OK　　 　　　 B. Never mind　 　　 C. It depends　 　　　　 D.It doesn't matter

参考答案21-25 BDACC　　　 26-30 DBABC　　 31-35 DADBC　　

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34. Sales of CDs have greatly increased since the early 1990s, when people_____ to enjoy the advantages of this new technology.

　 　 A. begin　　　　　 　　　　　　　　　　　　　　　　 B. began　　　　 　 C. have begun　　 　 D. had begun

33.　 ________ is often the case, we have worked out the production plan.

　 　 A. Which　　　　 　 B. When　　　　 　 C. What　　　　　 D. As

32. The____________ house smells as if it hasn't been lived in for years.

A. little white wooden　　　 　　　　　　　　　　 B. little wooden white

C. white wooden little　　　 　　　　　　　　　　 D. wooden white little

31. The old man, ____________abroad for twenty years, is on the way back to his motherland.

　　 A. to work　　 　　　　 B. working　　 　　　　 C. to have worked　 　　　　　　　　　　　　 D. having worked

30. A man is being questioned in relation to the ________ murder last night.

　　 A. advised　　 　　　　 B. attended　　　　 C. attempted　　　 　 D. admitted

29. It's ten years since the scientist _______on his life's work of discovering the valuable chemical.

　　 A. made for　 　　　　 B. set out　　　　 　　 C. took off　　　　 　　　　　　　　　　　　 D. turned up