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【单选题】
扑灭机器人、数控机床等精密设备火灾的灭火方法是( )A.
清水灭火法
B.
二氧化碳灭火法
C.
泡沫灭火法
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举一反三
【单选题】— Can I get out in the daytime? — No. The school rules state that no child ______ be allowed out during the day unless accompanied by an adult. [ ]
A.
shall
B.
need
C.
must
D.
should
【简答题】v. 使确信,向......保证;弄清,查明
【简答题】向......保证,使确信
【简答题】AR是( )命令的缩写,包括( )和( )两种。
【简答题】—Let’s go out for a drive tomorrow.We can take a picnic. —___________. A．Yes,do please B．That’s OK C．Good idea D．Many thanks
【单选题】——Can I get out in the daytime? ——No. The school rules state that no child _____ be allowed out during the day, unless accompanied by an adult.
A.
shall
B.
need
C.
will
D.
can
【单选题】Let’s see () we can find out some information about that city.
A.
that
B.
whether
C.
when
D.
what
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