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【单选题】
Risks associated with nuclear power ______.A.
can only occur at the plant Site
B.
may occur when wastes are transported or recycled
C.
are limited to structural problems within the plant
D.
are primarily a result of carelessness
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【单选题】Springtime displays of fruit blossoms in the Shenandoah Valley ______ thousands of tourists each year.
A.
attract
B.
delight
C.
console
D.
inspire
【单选题】My fingers ________ almost unconsciously on the familiar leaves and blossoms.
A.
retained
B.
lingered
C.
dwelled
D.
resided
【简答题】试计算直径为60μm玻璃球在20℃水中自由沉降速度。已知玻璃球的密度为2500kg/m 3 ，水的密度为1000kg/m 3 ，水在20℃条件下的黏度为1.0×10 -3 Pa·s。
【单选题】Panda romance blossoms in capital
A.
1963: Kennedy assassination
B.
1969: 1st moon landing
C.
1983: panda mating in the US
D.
1989: the reunification of Germany
E.
2001: 9/11
F.
2003: 1st Chinese space flight
G.
2004: tsunami
【简答题】直径为1m的油管输送煤油，流量为2m 3 /s。在直径为10cm的水管中进行模型试验。煤油的相对密度为0.8，动力黏度为0.002Pa·s；水的动力黏度为0.001Pa·s。试求：
【单选题】______ is the best and most attractive food on Thanksgiving dinner table.
A.
Plum pudding
B.
Cranberry juice and squash
C.
Roast turkey and pumpkin pie
D.
Apples, oranges, chestnuts
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