选择题:If the firefighters had not been caught in a traff

题目内容:
If the firefighters had not been caught in a traffic jam, they would arrive an hour early. ( )

(本题1.0分)
A、 had
B、 not
C、 arrive
D、 early
参考答案:

要为float类型变量x、y、z赋同一初值3.14,下列说明语句哪一个是正确的()。A、floatx

要为float类型变量x、y、z赋同一初值3.14,下列说明语句哪一个是正确的()。A、floatx,y,z=3.14;B、floatx,y,z=3*3.14;

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