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【单选题】
用物理或化学方法将所有致病的和非致病的微生物、细菌的芽胞全部杀死的操作称为A.
灭菌
B.
消毒
C.
防腐
D.
除菌
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反馈参考答案：
举一反三
【简答题】图样中的尺寸以 为单位时,不必标注计量单位的符号或名称。
【简答题】图样中的尺寸以 为单位时,不必标注计量单位的符号。
【单选题】_____, more than 200 houses and buildings are heated by solar energy.
A.
In the small alone town
B.
In the small town alone
C.
Alone in the small town
D.
In the alone small town
【简答题】A lot of houses and buildings, roads and bridges were damaged in the seaquake.
【单选题】________, more than 200 houses and buildings are heated by solar energy, not to mention the big cities.
A.
In the alone small town
B.
In the small town alone
C.
Alone in the small town
D.
In the small alone town
【单选题】After the big earthquake, not only most houses and buildings were ______, many people also lost
A.
33. After the big earthquake, not only most houses and buildings were ______, many people also lost their lives. A．in ruins
B.
in danger
C.
in trouble
D.
in sorrow
【简答题】“How are you?” is a nice question. It’s a 21 way that people in the United States greet each other, but when a person says “How are you?” he expects 22 the answers “fine”, even if the person’s friend ...
【简答题】In the U.S., houses and buildings use ___ % of all energy.
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