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【简答题】
(7分)根据下图回答问题。 （1）仪器a的名称是 。 （2）实验室用高锰酸钾制取氧气用的装置是 （填字母序号）；该反应的化学方程式为 。 （3）实验室制取二氧化碳常用的药品为 。 （4）图C所示实验的现象为：铁丝在氧气中剧烈燃烧，火星四射，放出大量的热， 。 该反应的化学方程式为 。 （5）图D实验说明二氧化碳所具有的性质为 。
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举一反三
【简答题】The foreigner spoke to us___ English.
【单选题】The foreigner spoke_____ his interpreter could hardly catch his words.
A.
such fast that
B.
so fast
C.
so fast that
D.
so fastly that
【单选题】—Did you have____difficulty talking to the foreigner? — No.I only could not follow him when he spoke too fast.
A.
any
B.
a
C.
some
【单选题】The foreigner spoke_______quickly____ I could hardly understand him.
A.
too;to
B.
such;that
C.
so;that
D.
very;that
【单选题】The foreigner spoke so fast that I could follow him.
A.
nearly
B.
almost
C.
hardly
D.
easily
【简答题】The foreigner spoke slowly and c so that everybody could follow him .
【单选题】The foreigner spoke____________we could hardly catch his words.
A.
such fast that
B.
so fast
C.
so fast that
D.
so fastly that
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