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【单选题】
CDM是什么?A.
清洁能源机制
B.
合同能源管理
C.
清洁能源管理
D.
合同能源机制
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反馈参考答案：
举一反三
【单选题】What does the talk tell us?
A.
How to settle the consumer's complaint about a faulty item.
B.
How to make an effective complaint about a faulty item.
C.
How to avoid buying a faulty item.
D.
How to deal with complaints from consumers.
【简答题】花卉种子的休眠主要包括 和 。
【简答题】如何处理系统诊断不到闭锁信号,关闭与锁紧指示灯熄灭故障？
【单选题】听力原文：Our lost-and-found system allows you to notify us if you lose an item while riding Metro. Once you submit information on the item, a search is done of the items we have found.If there is a match,...
A.
When the person is on the subway.
B.
When the person comes to the office in person.
C.
When the office finds a match for the item lost.
D.
When the office finishes the search for the item lost.
【单选题】_____ our earth, otherwise it will be no longer fit for us to live on.A．Protected B．To protect C
A.
31. _____ our earth, otherwise it will be no longer fit for us to live on. A．Protected
B.
To protect
C.
Protecting
D.
Protect
【简答题】It is an item used for grasping and holding objects.
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