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【单选题】
关于第六版指南对 冠状病毒的理化特征描述正确的是A.
对 紫外线和热敏感
B.
对热不敏感
C.
对乙醚不敏感
D.
对氯 己定敏感
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【单选题】听力原文： Years ago before there were refrigerators, an icehouse was a building used for storing ice. The first icehouses were in the cellars of farmhouses. Pieces of ice, mixed with snow and meadow grass...
A.
Separate houses were built for storing ice.
B.
Double walls were built in icehouses to keep cool.
C.
Blocks of ice were packed with weed in icehouses.
D.
Ice was put into icehouses in winter.
【单选题】The plans____.
A.
were drawn by Mayor George Latimer
B.
were only for St. Paul's major downtown buildings
C.
were created by volunteers when they were asked to offer their ideas
D.
were turning a golden opportunity into economic development
【单选题】On the morning of November 1st, 2,011, the scientists were seated at tables and had their eyes _____ on the scene of the launch of the Shenzhou VIII spaceship. [ ]
A.
fixed
B.
fix
C.
fixing
D.
being fixed
【单选题】听力原文： Years ago before there were refrigerators, an icehouse was a building used for storing ice. The first teahouses were in the cellars of farmhouses. Pieces of ice, mixed with snow and meadow grass...
A.
Separate houses were built for storing ice.
B.
Double walls were built in icehouses to keep cool.
C.
Blocks of ice were packed with hay in icehouses.
D.
ice was put into icehouses in winter.
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