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【单选题】
以下是流化床反应器的自动控制方案()。A.
改变原料入口温度
B.
改变进入流化床的冷剂流量
C.
与固定床反应器的自动控制方案相似
D.
以上都要正确
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举一反三
【单选题】We can hardly avoid making any mistakes in our work ______ hard we try.
A.
whatever
B.
how
C.
no matter
D.
however
【单选题】It’s raining so__________ that we can _________ go out now.
A.
hard; hardly
B.
hard; hard
C.
hardly; hardly
D.
hardly; hard
【单选题】We can hardly tell what life without the Internet will be like in the future, _________?
A.
can we
B.
can’t we
C.
will it
D.
won’t it
【简答题】《舟过安仁》是 代诗人 的作品。诗中,前两句话描写的是作者的 ,后两句描写的是作者 的 。我们还学过他写的 。
【单选题】Can you speak in a ____ voice? We can hardly hear you.
A.
friendlier
B.
louder
C.
softer
D.
lovelier
【单选题】Light travels so fast that we can hardly imagine its speed.
A.
Light travels so fast that can we hardly imagine its speed.
B.
We can hardly imagine its speed that light travels so fast.
C.
So fast do light travel that we can hardly imagine its speed.
D.
So fast does light travel that we can hardly imagine its speed.
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