单项选择题

The environmental balance among ecological communities is exceedingly complex.

A．almost
B．successfully
C．extremely
D．rarely
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单项选择题
Perhaps more than anything else, it was onerous taxes that led to the Peasants' Revolt in England in 1381.
A．multiple
B．unjust
C．burdensome
D．infamous
单项选择题
Woman: You sound terrible, Max. You'd better go home, gargle and get some rest. Man: Thank you. I think I'll take your advice. Question: What's probably wrong with Max
A．He has a stomachache.
B．He has a bad cough.
C．He is exhausted.
D．He has a sore throat.
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