單項選擇題Only the most sophisticated theories of modern physics can()this phenomenon.

A.account for
B.count on
C.account of
D.count for


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1.單項選擇題This is()the most difficult job I have ever tackled.

A.by rights
B.by itself
C.by oneself
D.by far

2.單項選擇題Success now seemed very remote and Bernard felt()

A.pessimistic
B.optimistic
C.positive
D.objective

3.單項選擇題What's the Chinese()for the English word "refer"?

A.equality
B.equal
C.equivalent
D.equation

4.單項選擇題John always arrives on time. He's so()

A.rapid
B.timely
C.punctual
D.likely

5.單項選擇題Everyone()around quietly to avoid waking the baby.

A.cracked
B.crashed
C.crawled
D.crept