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【单选题】
使用灭火器扑救火灾过程中，应当对准火焰（）喷射。A.
上部
B.
中部
C.
下部
D.
中下部
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反馈参考答案：
举一反三
【简答题】选用所给动词的适当形式填空。 1. Maria sometimes _____ (get) up very early. 2. Miss Zhang seldom _____ (go) out with her family. 3. Li Kang often _____ (ride) a bike to the park on weekdays. 4. My mother often said ...
【简答题】We _____(do) our homework everyday. Now we _________(do) our homework in the classroom. 2. Sometimes Li Ping _____(have) lunch at home. But now he _______(have) lunch at school. 3 . My sister _____(re...
【简答题】需要和欲望是市场营销活动的起点。( )是指没有得到某些基本满足的感受状态,是人类与生俱来的。
【单选题】Sometimes Li Ping have lunch at home. But now he _______(have) lunch at school.
A.
has
B.
have
C.
is having
D.
having
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