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【简答题】
对于保冷的管道，为防止保冷材料的导热系数增大、保冷结构开裂，在其外表面必须设置（ ）。
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反馈参考答案：
举一反三
【简答题】A．羌活 B．独活 C．威灵仙 D．木瓜 E．秦艽 吐泻转筋，宜选用
【单选题】They kissed goodbye, then she________him and ran away, disappearing in the distance.
A.
broke down
B.
broke away from
C.
broke into
D.
broke off
【多选题】多选题 If a welfare client's wheelchair broke down, what would be included in the process of repairing it?
A.
He called the caseworker.
B.
The caseworker wass supposed to notify the medical worker.
C.
After the medical worker certified that there wass a problem with the wheelchair, he would call the wheelchair companies to get the cheaptest bid.
D.
The medical worker alerted the main welfare office at the state capital and then the matter was dealt with for days. If the client was lucky, they called back and appoved the repair.
【单选题】They then broke down the findings into subject matters or areas of interest that those same people would be exceptionally strong in.
A.
M
B.
S
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