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【单选题】
下列对“解”和“释”辨析不正确的一句是:()。
A.
“解”和“释”“解开”的意思
B.
“解”和“释”分析的意思
C.
“解”和“释”还有各自的习惯用法
D.
“解”和“释”的意义古代和现代完全一致
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【单选题】Which flight did the woman put Peter on first?
A.
To London
B.
To Newark
C.
To Providence
D.
To Washington
【单选题】生产自行车、摩托车、汽车和电动车的企业之间的竞争关系属于( )。
A.
愿望竞争者
B.
平行竞争者
C.
产品形式竞争者
D.
品牌竞争者
【单选题】表面粗糙度常用轮廓算术平均偏差Ra来标注,以下Ra值中( )对零件表面的要求最高。 A Ra1.6 B Ra3.2 C Ra0.8 D Ra6.3
A.
B.
C.
D.
D
【单选题】The reason______ he did not arrive in America as scheduled was that his flight was called off because of the bad weather.
A.
when
B.
why
C.
which
D.
where
【单选题】Which expression would annoy the foreigner while chatting?
A.
Are you married?
B.
Did you have a good time?
C.
How about the flight?
D.
what’s the weather like here?
【单选题】A 23-year-old woman wearing high-heeled shoes inverts and sprains her while running down a flight of stairs. Which of the following ligaments did she most likely injure?
A.
Anterior talotibial
B.
Calcaneofibular
C.
Calcaneotibular
D.
Deltoid
E.
Medical collateral
【单选题】Which of the following is not true of the Space Shuttle Columbia?
A.
It was the first rocket ever made in history.
B.
It did the first flight in 1981.
C.
Its first flight was of great importance in the development of space exploration.
D.
It can only stay in space for about a week now.
【简答题】Everyone knows the story of Benjamin Franklin’s famous kite flight. He was a man of many talents and interests. His natural curiosity about things and the way they work made him try to find ways to ma...
【简答题】求下列幂函数的导数: (1) (2) (3)
【判断题】表面粗糙度常用的主要参数是轮廓算术平均偏差Ra。
A.
正确
B.
错误
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