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【单选题】
As Edison grew ______, he became more and more interested in science.
A.
elder
B.
the elder
C.
older
D.
the older
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【单选题】配合是指( )相同的、相互结合的孔和轴公差带之间的关系。
A.
基本尺寸
B.
实际尺寸
C.
极限尺寸
D.
作用尺寸
【判断题】成本计划的根本任务是挖掘降低成本的潜力,努力降低成本,提高企业的经济效益。
A.
正确
B.
错误
【简答题】The Chinese city Wuhan is the epicenter of the new coronavirus outbreak. What is the source of the infection? What should the public, health care professionals and health officials do respectively whe...
【简答题】成本计划的根本任务是挖掘降低成本的潜力,努力降低成本,提高企业的经济效益。
【单选题】If people want to reduce stress and depression, what attitude should they take according to some doctors?
A.
They should take kind of positive attitude.
B.
They should take the attitude of wait-and-see.
C.
They should take the negative attitude.
D.
They should follow their fate.
【简答题】Activity 4 Discussing and Commenting 1. The Chinese city Wuhan is the epicenter of the new coronavirus outbreak. What is the source of the infection? What should the public, health care professionals...
【单选题】( )的根本任务是挖掘降低成本的潜力,努力降低成本,提高企业的经济效益。
A.
成本预测
B.
成本计划
C.
成本控制
D.
成本管理
【判断题】配合是指基本尺寸相同的孔、轴间的组合。
A.
正确
B.
错误
【单选题】听力原文:People have different views on what children should do at a very early age.Some think that children should begin their formal education and start to spend most of their time on studies.Others bel...
A.
They do not know what to learn.
B.
They are too young to concentrate their attention for a long time.
C.
They are occupied with learning.
D.
They set up the sound foundation for their future studies.
【单选题】配合是指基本尺寸相同的相互配合的孔、轴()之间的关系
A.
公差
B.
偏差
C.
公差带
D.
标准公差
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