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【单选题】
隐孢子虫感染多为A.
急性感染
B.
慢性感染
C.
急性感染与慢性感染
D.
隐性感染
E.
无隐性感染
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举一反三
【单选题】______ she was living in Paris that she met her husband Terry.
A.
Just then
B.
It was while
C.
Soon after
D.
During the time when
【单选题】某经纬仪观测竖直角度盘(顺时针注记)读数78 ̊52'00",则竖直角是( )。
A.
12˚52'00"
B.
78˚52'00"
C.
12˚08'00"
D.
11˚08'00"
【单选题】-Is your sister at home, Dennis? -No, she isn't. I think she _ _ the piano in Anna's living room. [ ]
A.
can play
B.
could be playing
C.
had played
D.
plays
【单选题】What do we know about Meg?
A.
She is a young girl now.
B.
She's living in Florida.
C.
She is a mother of two children.
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