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【单选题】
下面关于搪玻璃反应罐检验周期说法不正确的是( )。A.
安全状况等级为1级的，一般每3年一次
B.
安全状况等级为2级的，一般2年一次;
C.
安全状况等级为3级的，应当监控使用，累计监控使用时间不得超过2年
D.
安全状况等级为4级的，如果用于其他适合的腐蚀介质时，应当监控使用，其检验周期由检验机构确定，但累计监控使用时间不得超过1年。
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举一反三
【简答题】A．Why fog freezes at low temperatures. B．How very small droplets can form. C．Why the density of fog varies. D．How water droplets stay suspended in air.
【单选题】Why does the author mention Rip Van Winkle?
A.
Nothing could be tragic than for men to live in these revolutionary times and fail to the new attitide and outlooks
B.
He was stupid
C.
He was happy
D.
He was idle
【简答题】Why
did Lemieux live in a van?A. He
had no other place to live in. B. He
wanted to save money. C. He
enjoyed this kind of life. D. He wanted to pay off his debts.
【简答题】What background information does van den Bercken provide? (5.0分)A. who
first got her interested in learning the piano B. how she learned something new about a
composer C. the
first time she heard some...
【单选题】— This book is a little hard._____ read something easier? — All right. [ ]
A.
Why don't
B.
Why not to
C.
Why don't you
D.
Why not you
【单选题】What kind of music does van den Bercken play?
A.
classical music
B.
country music
C.
pop music
【简答题】What kind of music does van den Bercken play?
【单选题】关于内源性凝血的途径,叙述错误的是 ( )
A.
胶原组织损伤首先激活因子Ⅻ
B.
参与凝血步骤比较多
C.
所需时间较外源性凝血长
D.
许多环节有Ca2＋参与
E.
不需因子Ⅱ参加
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