问答题

AIDS is said______the No. 1 killer of both men and women over the past few years in that region.
A．being
B．to be
C．to have been
D．having been

A.
A．being
B．to
B.to
C.having

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I was______worried when they didnt come home.
A．more annoyed as
B．less annoyed as
C．more annoyed than
D．as annoyed more than

A.
A．more
B.less
C.more
D.as

历史学家通常认为，在审视复杂历史问题时不能轻率地下结论。这一观点的合理性在于( )此题为多项选择题。

A.不同的认识主体对复杂历史问题的认识总是不同的
B．真理不会停止前进的步伐，而是在发展中不断超越自身
C．复杂历史问题本质的暴露和展现需要一个较长的过程
D．人们对复杂历史问题的认识受所处社会实践水平的限制