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【判断题】
一切有机体都是由细胞构成的。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The World Health Organization gave a warning to the public without any ________ when the virus of H1N1 hit Mexico in April, 2009. [ ]
A.
delay
B.
effort
C.
schedule
D.
consideration
【单选题】How did smoke go out in ancient castles?
A.
Through the chimney.
B.
Through a hole in the roof.
C.
Through the windows.
D.
Through the doors.
【简答题】He stil has _________________(difficult) swallowing
【单选题】It was reported yesterday that an official in the department of health was arrested for his________his power to get benefit for his relatives. [ ]
A.
protecting
B.
catching
C.
abusing
D.
taking
【简答题】The spy looked cau______ around and then walked away from the cinema and disappeared into the dark.
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