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【单选题】
发热的机理正确的是A.
最常见的是外源性致热源所致
B.
非感染性发热直接产生内源性致热源
C.
最常见的是细菌直接作用于体温中枢所致
D.
最常见的是外源性致热源与细菌共同作用于体温调节中枢的结果
E.
是细菌或病毒产生的内源性致热源所致
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举一反三
【单选题】He studied hard at school when he was young, __________ contributed a lot to his success.
A.
which
B.
therefore
C.
that
D.
what
【简答题】He was made ______ hard. A) to study B) study C) studying D) studied
【简答题】语言的谱系分类和语言结构类型的分类各自依据的标准是什么同系属的语言在结构上是不是一定相同为什么？
【单选题】Michael studied hard before the examination in mathematics, and it ______ . He made an A.
A.
paid out
B.
paid off
C.
paid over
D.
paid well
【单选题】He studied hard at school when he was young, ______ contributes to his success in later life.
A.
which
B.
that
C.
what
D.
each of which
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