[单项选择]History will always （） any intended route and take an unforeseen one instead.
A. lead to
B. deviate from
C. pass through
D. result from

[判断题]

Pregnant women should not take any depression medicines.

[单项选择]At the beginning he refused to take any responsibility but he had to end up by（）
A. to apologize
B. apologizing
C. apologized
D. apologize

[单项选择]We have to think very carefully before we take any action, because it’s a very ______ situation we are in.
A. ideal
B. favourable
C. good
D. severe

[填空题]The policemen (tell)（）not to take any action until they received further order.

[填空题]I always take a bus when I go to work. I always go to work ______.

[填空题]The policemen ______ (tell) not to take any action until they received further notice.

[填空题]I always take a bus when I go to work.
I always go to work （　）

[简答题]Take any job opportunity that________________(突然出现) .

[填空题]

[A] What route does HIV take after it enters the body to destroy the immune system
[B] How and when did the long-standing belief concerning AIDS and HIV crop up
[C] What is the most effective anti-HIV therapy
[D] How does HIV subvert the immune system
[E] In the absence of a vaccine, how can HIV be stopped[
F] Why does AIDS predispose infected persons to certain types of cancer and infections
In the 20 years since the first cases of AIDS were detected, scientists say they have learned more about this viral disease than any other.
Yet Peter Piot, who directs the United Nations AIDS program, and Stefano Vella of Rome, president of the International AIDS Society, and other experts say reviewing unanswered questions could prove useful as a measure of progress for AIDS and other diseases.
Among the important broader scientific questions that remain:
41．_____________.
A long-standing belief is that cancer c