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【单选题】
通常为了提高边界润滑的效果,在润滑油中可加入______。A.
极压添加剂
B.
油性添加剂
C.
抗泡剂
D.
极压添加剂或油性添加剂
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举一反三
【单选题】What kind of cello did the man use. when he was eight?
A.
A half-sized cello.
B.
A two-thirds-sized cello.
C.
A full-sized cello.
D.
An expert-made cello.
【简答题】How was your Children’s Day? What kind of gifts did you get? Eight third graders in some poor places in Hebei Province got new schoolbags as Children’s Day gifts. They were very happy. There were penc...
【单选题】一个正式的工作授权或分配系统，是用于（）
A.
对由谁来执行每一件任务进行控制
B.
控制镀金
C.
使管理层了解哪些是已计划的任务
D.
使职能经理了解哪些是已计划的任务
【简答题】怎样挖栽植穴?
【单选题】The doctor has worked with patients of this kind for eight years, so he knows what ________ in his job.
A.
expected
B.
to be expecting
C.
expects
D.
to expect
【单选题】Eight hundred years ago an Englishman ______.
A.
made a kind of flying machine
B.
tried to fly with wings made of chicken feather
C.
wanted to build a kind of balloon
D.
tried to fly on a large bird
【单选题】What kind of cello did Mr. Laurence use when he was eight?
A.
A full-sized cello.
B.
A half-sized cello.
C.
A two-thirds-sized cello.
D.
It is not mentioned.
【简答题】一个正式的工作授权或分配系统，是用于() A、对由谁来执行每一件任务进行控制 B、控制进度 C、使管理层了解哪些是已计划的任务 D、使职能经理了解哪些是已计划的任务
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