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【简答题】
A) situation B) chance C) opportunity D) occasion
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参考答案:
举一反三
【单选题】— Mary’s sister looks very beautiful now. — But she was very ugly before she tidied up her appearance(整容). You _________ believe it!
A.
shouldn’t
B.
mustn’t
C.
wouldn’t
D.
might not
【单选题】气相色谱分析中,在色谱柱子选定以后,首先考虑的色谱条件是(    )
A.
柱温    
B.
载气流速    
C.
进样量    
D.
进样口温度
【简答题】Unit 1 Part VI Task Two Listen carefully to some sentences related to interviews and write them down. Then read them out. Task Two.mp4
【单选题】如果广告主付出20万人民币购买广告,该站点的访问率是2百万人次,广告提供商的CPM广告价格是
A.
400RMB
B.
100RMB
C.
1000RMB
D.
4000RMB
【单选题】气相色谱分析中,在色谱柱子选定以后,首先考虑的色谱条件是()。
A.
载气流速
B.
柱温
【简答题】Task 3 Directions: Read the following passage is about a survey conducted by Corvallis Clinic. After reading it, you should complete the information by filling in the blanks marked 48 to 52 (in no mor...
【多选题】关于压缩机串联与并联说法正确的是:
A.
进行串联的两台压缩机设计流量应相等或相近。
B.
进行串联的两台压缩机设计压力量应相等或相近。
C.
进行并联的两台压缩机设计流量应相等或相近。
D.
进行并联的两台压缩机设计压力应相等或相近。
【简答题】Task 1 Read the passage and match the following two columns.
【单选题】气相色谱分析中,在色谱柱子选定以后,首先考虑的色谱条件是 ( )
A.
载气流速
B.
柱温
C.
检测温度
D.
气化室温度
【单选题】--- She looks very thrilled. She        have passed the exam. --- I guess so. It is a very important exam after all.
A.
should
B.
could
C.
must
D.
might
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