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【单选题】
关于if语句，以下表达，哪一条是错误的？A.
if（表达式）后面不能加分号
B.
表达式的值非0，就可以当作真值来处理
C.
可以有else也可以没有
D.
if语句不可以嵌套使用
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举一反三
【简答题】首次提出生态学定义的科学家是()
【单选题】纤溶系统亢进引起的出血宜选用 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
维生素K
B.
鱼精蛋白
C.
右旋糖酐
D.
氨甲苯酸
E.
华法林
【单选题】听力原文：M: Hurry, there is a bus coming. W: Why run? There will be another one in two or three minutes. Q: What does the woman mean? (14)
A.
The next bus is coming soon.
B.
The bus will wait a few minutes at the stop.
C.
There are only two or three passengers waiting for the bus.
D.
They can catch this bus without running.
【单选题】Unless there is danger of further injury，a person with a compound fracture should not be moved until bleeding is controlled and ().
A.
The bone has been set
B.
The fracture is immobilized
C.
Radio advice has been obtained
D.
The wound has been washed
【单选题】—______the woman there be our English teacher? —She______ be, but I' m not sure.
A.
May... mustn't
B.
Can... may
C.
Can... can't
D.
Must... needn't
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