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【单选题】
灭火器应该检查一次的时间是()检修一次的时间是()A.
每季度一次，检修每年一次
B.
应随时检查，检修每年一次
C.
应随时检查，检修每月一次
D.
一星期一次，检修每月一次
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举一反三
【单选题】Named after a river that passes through the Congo, the Ebola virus originally _____ itself in the interior of Africa in 1976.
A.
spread
B.
absorbed
C.
manifested
D.
poisoned
【简答题】列举:旅游活动的六大要素和拓展要素
【简答题】In the 1970s, the weekly minimum wage for actors was about ______.
【单选题】Named after a river that passes through the Congo, the Ebola virus originally (manifested) itself in the interior of Africa in 1976.
A.
操作；操纵
B.
显现；表明
C.
页边空白；边缘
【单选题】The author tends to think that the weekly maid service of the UCLA is meant to be ______.
A.
beneficial
B.
innovative
C.
appealing
D.
indulgent
【简答题】A．annually B．monthly C．quarterly D．weekly
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