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【单选题】
加热炉点炉前,应检查火嘴、防爆门、安全阀、( )、温度计等安全附件是否灵活好用。A.
压力表
B.
截止阀
C.
调风机
D.
调节阀
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反馈参考答案：
举一反三
【单选题】Ann was _____ a good mood and kept _____ jokes to us. [ ]
A.
in, saying
B.
on, telling
C.
in, to tell
D.
in, telling
【单选题】Although ________ to stop, he kept on working
A.
tell
B.
telling
C.
having told
D.
told
【简答题】总量指标按其反映的时间状况不同可以分为 指标和 指标。
【单选题】Peter's mother kept telling him that ______ in the street is dangerous, but he would not listen.
A.
played
B.
will play
C.
playing
D.
been playing
参考解析：
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