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【简答题】
简述一台水泵变频恒压供水系统的工作原理
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反馈参考答案：
举一反三
【简答题】用所给单词的适当形式完成句子。 1. Put it under _ (run) water. 2. She was also told _ (not do) PE for six weeks. 3. My mother often burns _ (she) while cooking. 4. --Have you been to Hong Kong? --Yes,I _ (go) ...
【多选题】实施QR成功的条件是()。
A.
改变传统的经营方式、企业经营意识和组织结构
B.
开发和应用现代信息处理技术
C.
与供应链各方建立战略伙伴关系
D.
充分的信息共享
E.
供应方必须缩短生产周期，降低商品库存
【单选题】( )Not only Jack but also Tom and I ________ interested in PE.
A.
are
B.
is
C.
am
D.
be
【简答题】The restaurant is really expensive. He had his birthday party at the restaurant.
【单选题】To make sure the table of the restaurant is available, you must have a ( ) with the restaurant .
A.
guest
B.
view
C.
table
D.
reservation
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