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【判断题】
钢的质量等级是按照钢中锰和硅的含量来划分的。A.
正确
B.
错误
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举一反三
【单选题】Williams ______the game to stay with his wife in the hospital.
A.
skip
B.
play
C.
played
D.
skipped
【简答题】Tom is going to leave the hotel in three days.Tom is going to stay for another three days______he leaves.
【单选题】—Good news. We will have a holiday. . —I’ve heard of it. But it’s coming in .
A.
three days; three days’ time
B.
three days’; three days'.
C.
three-day; three days
D.
three days; three-day time
【简答题】They would spend three days in Cairo and seven days on ______ .
【单选题】He went there and there for three days. [ ]
A.
three days before; stay
B.
for three days; stay
C.
before three days; stayed
D.
three days ago; stayed
【单选题】下列关于typedef语句的描述，错误的是：
A.
用typedef只是对原有的类型起个新名，并没有生成新的数据类型
B.
typedef可以用于变量的定义
C.
typedef定义类型名可嵌套定义
D.
利用typedef定义类型各可以可读性
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