每天练习 英语练习

Church as we use the word refers to all religious institutions,_____they Christian,Islamic,Budd-

hist,Jewish,and so on.

A. be     B. being     C. were     D. are

However, at times this balance in nature is (  ), resulting in a number of possibly unforeseen effects.

A troubled             B confused           C disturbed          D puzzled

分析：本题大意：然而，自然界中的这种平衡时常被打乱，导致大量未被预见的结果。
Troubled：打扰，麻烦；Confused：搞糊涂；
Disturbed：打乱，打扰，骚扰；
Puzzled：使人迷惑。