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【简答题】
如图表示甲骑电动自行车和乙驾驶汽车沿相同路线行驶45千米，由A地到B地时，行驶的路程y（千米）与经过的时间x（小时）之间的函数关系，请根据这个行驶过程中的图象填空：汽车出发（ ）小时与电动自行车相遇；电动自行车的速度为（ ）千米/小时；汽车的速度为（ ）千米/小时；汽车比电动自行车早（ ）小时到达B地。
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【单选题】John spent most of his time practising speaking English in addition _____ his spare time. [ ]
A.
of
B.
to
C.
for
D.
into
【单选题】His humorous closing speech was a welcome addition to the _____ dull meeting. [ ]
A.
therefore
B.
meanwhile
C.
otherwise
D.
nevertheless
【单选题】In addition to his theory of color, Newton developed a theory of how light travels, This is known as the corpuscular theory of light, meaning that light travels as a series of tiny bits rather than in...
A.
Newton was not a successful scientist until he published his works
B.
Newton was a scientist with at least three theories
C.
Newton's theory was not accepted because Hooke did not approve it
D.
Newton did not publish his theories because he was too disappointed
【单选题】In addition to his traditional medical treatment, he tried to put himself in situations______ would bring about positive emotions.
A.
which
B.
where
C.
why
D.
as
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