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【判断题】
内径百分表属于比较测量法，可测量的形状误差，与外径千分尺配合使用测量的实际尺寸。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】What did the customer discover?
A.
He has already paid for the order.
B.
He was charged twice for the same product.
C.
The delivery company delivered the item to the wrong address.
D.
The book is out of print and no longer available.
【单选题】He got jobs for some big stars and was the best-paid ______ in Hollywood.
A.
agent
B.
producer
【简答题】工程资料按参建单位划分分为那几个单位
【简答题】A ship was lost at sea and the only survivor was washed up on a small, inhabited ( 无人居住的 ) island. He prayed ( 祈祷 ) 1 for God to rescue him and for hours he just stared at the horizon ( 地平线 ), waiting...
【多选题】. 下列分组哪些是按品质标志分组 ( ).
A.
职工按年龄分组
B.
. 科技人员按职称分组
C.
. 人口按性别分组
D.
. 企业按地区分组
E.
. 学生按健康状况分组
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