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【判断题】
( )我国的法定计量单位规定,用于构成十进倍数的词头103、106和109分别K、M、G词头符号表示。A.
正确
B.
错误
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举一反三
【单选题】The report given by the Italian team might provide evidence that ______.
A.
two things far apart might vibrate in unison
B.
the ripples in space-time are only imagined
C.
there exist gravitational waves
D.
abrupt, violent cosmic events lead to gravitational waves
【单选题】My family doctor always calls me and ▁▁ my health.
A.
asks about
B.
looks for
C.
looks around
D.
hears of
【简答题】VD的活性形式是 。
【简答题】What might the future be like? Here are some predictions: things to come, things to go. The Spring Festival, the most important Chinese holiday when everyone returns home, has caused headaches for mil...
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