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【单选题】
装配图中,为了表示与本部件的装配关系,但又不属于本部件的其他相邻零、部件时,可采用( ) 。 A 夸大画法 B 假想画法 C 简化画法 D 拆卸画法
A.
B.
C.
D.
D
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【单选题】New ways to treat arthritis may provide an to painkillers .
A.
alternation
B.
alternatives
C.
alternative
D.
choices
【单选题】New ways to treat arthritis may ( ) an alternative to painkillers.
A.
provision
B.
provide
C.
profit
D.
pronounce
【单选题】“红眼航班”是指:
A.
夜间起飞的航班
B.
票价低廉的航班
C.
飞机一样的火车
D.
航线固定的航班
【单选题】在航显电视上“状态”一栏中的“C〃代表()。
A.
航班到达
B.
航班延误
C.
航班离港
D.
航班取消
【单选题】在航显电视上“状态”一栏中的“D〃代表()。
A.
航班到达
B.
航班延误
C.
航班离港
D.
航班取消
【单选题】New ways to treat arthritis may provide a(n) __________to painkillers.
A.
alternate
B.
resolution
C.
alternative
D.
solution
【简答题】A) It was 45 years ago that Neil Armstrong took the small step onto the suce of the moon that changed the course of history. The years that followed saw a Space Age of scientific, ...
【单选题】A lot of cities are trying new ways to treat garbage mainly because ____. (细节题)
A.
they need new materials made from garbage
B.
they are short of useful materials
C.
their traditional ways of dealing with wastes are not efficient.
D.
their environment is becoming more and more dirty
【简答题】The moon always ________(move) around the earth.
【单选题】It takes ______ for the moon to move round the earth.
A.
about thirty days
B.
about twenty-eight days
C.
twenty-seven days and eight hours
D.
twenty-nine days and twelve hours
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