题目
题型:不详难度:来源:
.________ gas leaks and similar accidents should occur, some responsible persons should regularly inspect all the laboratories.
A.Unless | B.In case | C.Provided | D.Until |
答案
解析
核心考点
试题【.________ gas leaks and similar accidents should occur, some responsible persons】;主要考察你对连词等知识点的理解。[详细]
举一反三
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A.when | B.no matter | C.if | D.whether |
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A.which | B.that | C.who | D.whom |
. It is far better for one to drink milk, ________ one gets healthful nutrients, than to drink coffee, ________ contains harmful substances.
A.what, what | B.where, which | C.from which, which | D.in which, what |
. They are teachers and don"t realize the basic/primary rules and principles _____ to start and run a company.
A.in which | B.for whom | C.with which | D.of whom |
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