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【单选题】
如果在燃烧炉的燃料气进口的管线上设置一个燃料气压力控制系统,则控制阀和控制器应采用下述情况中( )A.
气开阀、正作用控制器
B.
气开阀、反作用控制器
C.
气关阀、反作用控制器
D.
气关阀、正作用控制器
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举一反三
【单选题】I have heard________ children tell me that they want to be doctors when they grow up.
A.
many too far
B.
too far many
C.
far too many
D.
too many far
【单选题】I have heard children tell me that they want to be doctors when they grow up.
A.
many too far
B.
too far many
C.
far too many
D.
many far
【单选题】I have heard________ children tell me that they want to be doctors when they grow up.
A.
many too far
B.
too far many
C.
far too many
D.
much too far
【简答题】Listen again to the above sentences rearranged in sequence, and then match them with their Chinese translation. 1)( ) a. 我想买一件白衬衫。 2)( ) b. 你穿多大号的? 3)( ) c. 多少钱? 4)( ) d. 你想买什么...
【简答题】一台数控铣床,开机后发现系统没有压力,试分析其产生的原因并提出解决措施。
【简答题】a. 我想买一件白衬衫。 b. 你穿多大号的? c. 多少钱? d. 你想买什么? A. What size do you have? B. I'd like to buy a white shirt. C. C.What can I do for you? D. How much is it?
【单选题】I have heard _____ children tell me that they want to be doctors when they grow up.
A.
many too far
B.
too far many
C.
too many far
D.
far too many
【单选题】I have heard_______children tell me that they want to be doctors when they grow up.
A.
many too far
B.
too far many
C.
far too many
D.
many far too
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