A. Man appears indifferent to what happens in nature.
B. Man acts as if he does not belong to nature.
C. Man can avoid the effects of environmental pollution.
D. Man can escape his responsibilities for environmental protection.
A.It is perfect.
B.I do have some opinion about it.
C.On the whole it is good
D.I have no idea about it.
A.I feel sorry
B.What a shame
C.It doesn't matter
D.Do come next time
A. available
B. desirable
C. enormous
D. numerous
A. have we arrived B. did we arrive C. had we arrived D. shall we arrive
A. what B. which C. that D. where
A. effect B. affect C. differ D. infer
A. taken B. of taking C. to take D. taking
A) undergone B) developed C) involved D) undertaken
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