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【单选题】
经济学之父是
A.
威廉·配第
B.
蒙克莱田
C.
亚当·斯密
D.
大卫·李嘉图
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【判断题】第二个案例表明,多媒体和网络是给教学添乱
A.
正确
B.
错误
【简答题】{ Complete the following summary with the words from the passage. The first latter of each missing word is given for your reference. Jazz has its 1) r____in the American 2) f____traditions. It origina...
【简答题】Write a summary according to the following part in less than 100 words. The conception of poverty and what to do about it have changed over the decades. Under Social darwinism the lazy and the ineffic...
【单选题】Choose the best summary of the passage.
A.
1 Churchill became Prime Minister in 1940 because King George VI believed that he had the confidence of the nation. Churchill won the war, but lost the general election afterwards.
B.
2 Churchill had a successful military career. He became Prime Minister because he won the most important battle in Britain’s history. He is considered the greatest Briton because his personality sums up the nation.
C.
3 Churchill came from a famous family and was a soldier and politician. When Churchill became Prime Minister in 1940, Britain was at war. Churchill made speeches that inspired the nation, and led the country to victory. Although he was considered a great military leader, Churchill lost the general election after the war.
【单选题】以下属于碳素工具钢的是
A.
CrWMn
B.
9Mn2V
C.
T10
D.
GCr15
【单选题】以下属于碳素工具钢的是
A.
Q235B
B.
Q345C
C.
60号钢
D.
T9A
【简答题】接触网工工作的电压等级是()kV。
【单选题】以下不属于合金工具钢的是( )。
A.
刃具钢
B.
模具钢
C.
量具钢
D.
不锈钢
【判断题】由于在人体的胃中没有能水解纤维素的酶,所以纤维素在人体内不能水解成葡萄糖。
A.
正确
B.
错误
【简答题】某轴系结构,由一根轴、一个齿轮和一个普通平键组成,齿轮通过平键进行周向固定,问共有 个零件和 个构件。
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