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【单选题】
对于语句cout＜＜endl＜＜x；中的各个组成部分，下列叙述中错误的是A.
cout是一个输出流对象
B.
endl的作用是输出回车换行
C.
x是一个变量
D.
＜＜称作提取运算符
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What's the Gwen's purposes in talking to Jackit?
A.
Disturbing the whole family.
B.
Disturbing herself and the children.
C.
her husband deaf.
D.
Disturbing nobody.
【单选题】When did the whole family feel in realtrouble?the storm was overwhelming.the French doors blew in with an explosive sound.the front door was pushed open by a blast of water.
A.
When
B.
When
C.
When
D.
When the water tasted salty.
【单选题】铁路客货运输票据是国家批准的专业发票,属于有价证券,是铁路运输企业核算运输收入的(),铁路客货运输票据的各联任何单位不得增减。
A.
原始凭证
B.
基本凭证
C.
重要依据
D.
运输票据
【单选题】when did the whole family feel in real trouble?
A.
When the storm was overwhelming.
B.
When the French doors blew in with an explosive sound.
C.
When the front door was pushed open by a blast of water.
D.
When the water tasted salty.
【单选题】When did the whole family feel in real trouble?
A.
When the storm was overwhelming.
B.
When the French doors blew in with an explosive sound.
C.
When the front door was pushed open by a blast of water.
D.
When the water tasted salt.
【单选题】When did the whole family feel in real trouble?
A.
When the storm was overwhelming .
B.
When the French doors blew in with an explosive sound .
C.
When the front door was pushed open by a blast of water .
D.
When the water tasted salt y.
【单选题】Our medical insurance provides protection ______ the whole family in the of illness.
A.
against
B.
from
C.
for
D.
with
相关题目：
【单选题】铁路客货运输票据是国家批准的专业发票,属于有价证券,是铁路运输企业核算运输收入的(),铁路客货运输票据的各联任何单位不得增减。
A.
原始凭证
B.
基本凭证
C.
重要依据
D.
运输票据