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【多选题】
混凝土结构检测的常见方法有:A.
混凝土结构回弹法
B.
超声波法
C.
拉拔法
D.
射线检测
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【单选题】The early retirement of experienced workers is seriously harming the U. S. economy, according to a new report from the Hudson Institute, a public policy research organization. Currently, many older ex...
A.
constructive
B.
significant
C.
inconclusive
D.
detrimental
【单选题】The early retirement of experienced workers is seriously harming the U.S. economy, according to a new report from the Hudson Institute, a public policy research organization. Currently, many older exp...
A.
constructive
B.
significant
C.
inconclusive
D.
detrimental
【简答题】You should be alert if you are asked to _______________________ before taking your trip.
【单选题】Customers (are asked) to ensure that they (have given) correct change before (leaving) the shop as mistakes cannot be (afterwards) remedied.
A.
are asked
B.
have given
C.
leaving
D.
afterwards
【单选题】Before the project was started, we asked the designer to give us an _______ of the cost of building such a museum.
A.
estimate
B.
evaluation
C.
assessment
D.
announcement
【单选题】The early retirement of experienced workers is seriously harming the U.S. economy, according to a new report from the Hudson Institute, a public policy research organization. Currently, many older exp...
A.
constructive
B.
significant
C.
inconclusive
D.
detrimental
【简答题】U5-P79 Further Listening-Passage-1. What is the passage mainly about?A. American college students’ buying power. B. American college students’ rising tuition. C. American college students’ entertainme...
【简答题】The manager asked that each employee (hand)______ in a report before Wednesday.
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