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【简答题】
为了在程序使用输入 / 输出函数,需要在源程序开始处写上 预处理命令。
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举一反三
【简答题】John was thankful for the (kind) __________ of these people who helped him to find his passport.
【判断题】2012年展览数量前十位省中包含吉林省。
A.
正确
B.
错误
【判断题】高分子是指由许多相同的、简单的结构单元通过共价键重复连接而成的相对分子量在1万以上的同系物的混合物
A.
正确
B.
错误
【单选题】请选择(9)处的最佳答案.
A.
which was helped
B.
that was helped
C.
who helped
D.
who has helped
【单选题】Who helped Davy?
A.
His teacher helped him.
B.
His mother helped him.
C.
His father helped him.
D.
His classmate helped him.
【单选题】The parks will also honor  _________ who helped the survivors as well as who died in the terrible disaster.
A.
them.
B.
those
C.
ones
D.
it
【判断题】高分子是指由许多相同的、简单的结构单元通过分子键重复连接而成的化合物
A.
正确
B.
错误
【判断题】高分子是指由许多相同的、简单的结构单元通过分子键重复连接而成的化合物
A.
正确
B.
错误
【判断题】高分子是指由许多相同的、简单的结构单元通过分子键重复连接而成的化合物。
A.
正确
B.
错误
【单选题】Who should be helped?
A.
Mike.
B.
Helen.
C.
Bob.
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