By the time you get to Beijing tomorrow, I ______ for Shanghai.
A. shall have left
B. am leaving
C. will leave
D. have already left
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68（）
A. shops
B. hunger
C. money
D. work
安装柴油发电机组排烟系统时，将随机法兰与排烟管焊接(排烟管长度及数量根据机房大小及排烟走向)，焊接时注意法兰之间的( )关系。
A. 等同
B. 配对
C. 大小
D. 轻重
According to the passage, modern industry must have developed （）
A. before the Middle Ages
B. about in the nineteenth century
C. in Greece or Rome
D. machines to take tests
I have not the least ______ of hunting your feelings.
A. intention
B. concept
C. mind
D. purpose
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