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【简答题】
选词填空-1. Compare each pair of words and complete the following sentences with the right one. Change the form if necessary.
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反馈参考答案：
举一反三
【单选题】What is the size of the piece of Telstar Tina expected to strike the earth?
A.
Several ounces.
B.
Large enough to kill the dinosaurs.
C.
Large as a house.
D.
More than one kilogram.
【单选题】— What do you think of the concert given by the young pianist? — Excellent, ______ one piece of the music wasn't played quite well. [ ]
A.
and
B.
though
C.
because
D.
so that
【单选题】下列物质中，酸性由强到弱错误的是
A.
HClO 4 H 2 SO 4 H 3 PO 4 HSiO 4
B.
HClO 4 HClO 3 HClO 2 HClO
C.
H 2 SO 4 H 2 SO 3 HNO 3 HNO 2
D.
HClO 4 H 2 SO 4 H 2 SO 3 H 2 CO 3
【单选题】HClO, HClO3 , HClO4 酸性大小排列顺序是:
A.
HClO > HClO3 > HClO4
B.
HClO > HClO4 > HClO3
C.
HClO4 > HClO > HClO3
D.
HClO4 >HClO3 >HClO
【单选题】What are they doing?
A.
They are listening to a piece of music.
B.
They are writing a book about the moon.
C.
They are studying the life of Beethoven.
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