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【判断题】
在斗臂上工作应使用安全带，可以用汽车吊悬挂吊篮上人作业。不得用斗臂起吊重物。()A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Access的“切换面板”归属的对象是
【简答题】Access的“切换面板”归属的对象是
【单选题】No sooner ____ his talk than he ___ by the workers.
A.
he finished; surrounded all
B.
did he finish; did surround
C.
had he finished; was surrounded
D.
after he finished; was surrounded near
【单选题】After a serious illness, he finally _______ how important his health is.
A.
meant
B.
realized
C.
added
D.
impressed
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