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【多选题】
1 下列语句中是命题的为:A.
2是素数吗？
B.
请别说话！
C.
2+3=8
D.
真累啊！
E.
宇宙间只有地球上有生命。
F.
X+2=7.
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举一反三
【单选题】—How do you feel today, Ted? —I feel _____ better today, thank you. [ ]
A.
more
B.
little
C.
a few
D.
a little
【单选题】When water freezes, it expands approximately _______ percent in volume.
A.
seven
B.
eight
C.
nine
D.
six
【单选题】When water freezes, it expands approximately ______ percent in volume.
A.
seven
B.
eight
C.
nine
D.
ten
【简答题】Antifreeze is a liquid(液体) that is added to water to keep it from freezing． When water freezes and turns to ice，it expands(膨胀)．The force of water expanding is so great that it will break the hardest m...
【简答题】When water freezes, it becomes larger instead of (small) ______ in amount of space.
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