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【多选题】
从水压图可以知道循环水泵的扬程等于( )。A.
热源内部的压力损失
B.
主干线的供水管的压力损失
C.
主干线的回水管的压力损失
D.
主干线末端用户系统的压力损失
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举一反三
【多选题】抗战时期向内地的工业迁徙的意义包括
A.
保存了一批近代工业的精华，为持久抗战提供了重要的经济力量
B.
促进了中国西南等地区工业的发展。奠定了大后方民族工业发展的基础
C.
形成了战时大后方若干新的工业中心，调整了战前严重不合理的工业布局
D.
奠定了大后方民族工业发展的基础
【简答题】以下为不定项多选题，可以选择多个认为正确的选项。 13. 抗战时期向内地的工业迁徙的意义包括（ ）
【单选题】Directions: Each sentence has a word or phrase underlined. There are four words or phrase beneath each sentence. Choose the one word or phrase which would best keep the meaning of the original sentenc...
A.
to force somebody to do something, by law, because it is a duty, etc.
B.
to help sb by doing what they ask or what you know they want
C.
to show your thanks when you got help
D.
to make somebody be willing to do something
【简答题】听第8段材料,回答第11至13题。11. What is the man doing? A. Chairing a meeting. B.Hosting a radio program. C. Conducting a job interview.12. What benefits Mary most in her job? A. Her wi...
【简答题】CPU的主频又称作______，主频越高，计算机的速度就越快。
【简答题】在and、not、or中,运算符的优先级最高的是________。
【简答题】The girl is mine. Her name is Gayle. She is 13, as will-full as a filly under halter for the first time. Her hair is dark; her eyes hazel; her body slender and barely beginning to bud. She is still a...
【简答题】Listen to the recording. Which word do you hear? a) work b) walk c) woke 4. Listen to the recording. How many words are in the phrase that you hear? a) 3 b) 4 c) 5 8. Listen to the recording. Which wo...
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