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【判断题】
液压缸的往返速度相同。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】How will the government know what the air quality is?
A.
The factories will test the air every day．
B.
Scientists will test it every day．
C.
A report will be publised．
D.
They will ask homeowners．
【简答题】The state controls the country’s roads, but does little to reduce road accidents. As a monopoly, the government lacks _________ to provide better service, because there is no risk of ____________. But...
【简答题】种子清选分级的目的
【单选题】How will the government know what the air quality is?
A.
The factories will test the air every day.
B.
Scientists will test it every day.
C.
A report will be published.
D.
They will ask homeowners
【单选题】this company has done seems to be in agreement with what the government has called for. [ ]
A.
That
B.
How
C.
Whether
D.
What
【单选题】v模型指出，(47)对程序设计进行验证，(48)对系统设计进行验证，(49)应当追溯到用户需求说明。
A.
单元和集成测试
B.
系统测试
C.
验收测试和确认测试
D.
验证测试
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