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【单选题】
红茶的发酵程度是() ,其叶色深红,茶汤呈朱红色。
A.
0%
B.
30%
C.
50%
D.
100%
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参考答案:
举一反三
【单选题】When I arrived home, my mother____the dinner.
A.
cook
B.
is cooking
C.
was cooking
D.
would cook
【单选题】往复式压缩在工作时一般在气缸内都留有余隙,这是为了()
A.
保护气缸和活塞杆
B.
提高压缩机的效率
C.
节省压缩功
D.
提高吸、排气量
【简答题】句型转换 1. He waited until his mother arrived.(改为同义句) He____ until his mother arrived. 2. I should write him a letter.(对划线部分提问) _______ ______ ________ do? 3. My shoes are out of style.(改为反意疑问句) My shoes...
【单选题】When I arrived home, my mother ___the dinner.
A.
cooked
B.
is cooking
C.
was cooking
D.
would cook
【单选题】By the time my mother arrived home, I ____ my homework.
A.
have finished
B.
had finished
C.
finished
D.
will finish
【简答题】December 24 arrived along with a heavy snow. It was my first Christmas Eve without my mother, and the day’s usual 36 had disappeared. The telephone rang. I 37 it and went to my bedroom to bury the con...
【单选题】My mother arrived__________Beijing two days ago.
A.
In
B.
at
C.
on
【单选题】往复式压缩在工作时一般在气缸内都留有余隙,余隙的存在对吸、排气量的影响是()
A.
没有影响
B.
使吸、排气量增加
C.
使吸、排气量减小
D.
> 不好说
【单选题】往复式压缩在工作时一般在气缸内都留有余隙,这是为了()
A.
提高压缩机的效率
B.
保护气缸和活塞杆
C.
节省压缩功
D.
提高吸、排气量
【单选题】when I arrived home ,my mother ( )the dinner.
A.
cooked
B.
is cooking
C.
was cooking
D.
would cook
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