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【单选题】
以下关于质点在一段时间内的路程和位移说法正确的是A.
直线运动中路程与位移大小相等
B.
匀速直线运动中路程与位移大小一定相同
C.
曲线运动中路程与位移大小可能相同
D.
匀变速直线运动中路程与位移大小一定相同
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【判断题】Frictiona l unemploymen t i s inevitabl e becaus e th e econom y i s alway s changing.
A.
正确
B.
错误
【单选题】Domestic demand may thus decelerate to a more sustainable growth rate, and the unemployment rate may rise slightly.
A.
and
B.
in this way
C.
later
D.
this
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【单选题】听力原文：Man: This is a great opportunity and just what this region needs. The unemployment here's been very bad and we've been very lucky to be chosen for this new factory. And this position would be a s...
A.
marketing manager
B.
computer programmer
C.
secretary
D.
personnel management assistant
E.
engineering manager
F.
maintenance supervisor
G.
finance dir
【判断题】Macroeconomi c statistic s includ e GDP , th e inflatio n rate , th e unemploymen t rate , retai l sales , an d th e trad e deficit.
A.
正确
B.
错误
【简答题】阅读理解。 Nearly 600,000 Americans lost their jobs this past month, pushing the nation's unemployment rate to 7.6 percent. But not all of those fired workers are sitting at home, reading the want ads and ...
【简答题】食物中的含有______等六类营养物质．其中属于有机物的是______，属于无机物的是______．
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