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【单选题】
PDC钻头不适用于()A.
软地层
B.
中硬地层
C.
有硬质夹层的地层
D.
均质地层
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】通常一个编译程序中,不仅包含词法分析,语法分析,语义分析,中间代码生成,代码优化,目标代码生成等六个部分,还应包括( )。
A.
符号执行器
B.
解释器
C.
模拟执行器
D.
表格处理和出错处理
【简答题】Turn these sentences from active voice into passive voice. Mary helps John. John _____________ Mary.
【简答题】Turn these sentences into passive voice. 1) Dr. Smith takes good care of Mrs. Black. Mrs. Black _______________________ by Dr. Smith. 2) Students in Class One make use of many reference books. Many re...
【简答题】Turn these sentences from active voice into passive voice. Mary helps John.
【简答题】Turn these sentences into passive voice. 1) Dr. Smith takes good care of Mrs. Black. Mrs. Black _______________________ by Dr. Smith. 2) Students in Class One make use of many reference books. Many re...
【单选题】在汽车空调系统中,过热开关在系统处于( )状态下闭合,使压缩机停止转动。
A.
(A)制冷剂过量
B.
(B)制冷剂过少
C.
(C)制冷剂中混有空气
D.
(D)润滑机油过量
【简答题】Turn these sentences into passive voice. 1) They gave him a watch. A watch ___________ him. 2) She passed him the salt. The salt ____________ him. 3) Mother cooks breakfast for us every day. Breakfast...
【简答题】Read these sentences and write in the missing prefix. The new government’s first policy will be to nationalize all state-owned industries and turn them into private businesses. (__________)
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