The vaccine generated by reverse genetics is required to review in that ______.
A. it has strong side effect to the elderly.
B. it may turn ineffective in a short period.
C. it is useless in preventing the virus.
D. it hasn't been tested in humans.
查看答案
What is the author's attitude towards the newly developed bird flu vaccine？
A. Slightly approves of.
B. Depicts neutrally.
C. Slightly disapproves of.
D. Completely rejects.
It can be inferred from the last paragraph that ______.
A. Washington's intellectual and cultural life is unbalanced.
B. there is social division between intellectuals and black locals.
C. the cultural revival brings jobs and vitality to the downtown.
D. Washington solves its own problems before fixing the world.
听力原文：What's wrong with you？
(2)
A. Fine, thank you.
B. I've got a high fever.
C. There's no matter with me.
D. Never mind.
听力原文：M: What kind of fruit would you like, banana or orange？
W: Neither. In fact, I prefer pear.
Q: What does the woman like？
(14)
A. Banana.
B. Pear.
C. Orange.
D. None of them.
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