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【单选题】
恩格尔曲线可以从( ) 导出。
A.
价格- 消费线
B.
收入- 消费曲线
C.
需求曲线
D.
无差异曲线
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【简答题】Why do we laugh? For years scientists have asked themselves this question. No other animals laugh and smile, only human beings. So does laughter help us to survive in any way? The answer seems to be t...
【单选题】The textbook question as well as other issues is going to be discussed when the congress is in ______again next spring.
A.
assembly
B.
convention
C.
conference
D.
session
【单选题】表达式 5!=3 的值是
A.
T
B.
非零值
C.
0
D.
1
【判断题】经济的发展为教育制度提供了一定的物质基础和相应的客观需要。
A.
正确
B.
错误
【简答题】Translate the following passages into English. 未来中国经济的稳定器和动力源作用更加凸显。当前世界经济增长动力不足,稳健的中国经济对世界越来越重要。中国经济正由高速增长转向高质量发展,新型工业化、信息化、城镇化、农业现代化加快推进,经济结构深度调整,产业优化持续升级,新经济增长点不断涌现。 2018 年,中国常住人口城镇化率达到 59.6% ,未来人口...
【单选题】( )为常见化学纤维中用途最广、产量最高的一种。
A.
棉纤维
B.
涤纶
C.
氨纶
D.
蚕丝
【单选题】用______布置室内,能给人以丰收、吉祥的联想,从而增添快乐的气氛。
A.
盆树
B.
盆草
C.
盆花
D.
盆果
【单选题】The pollution question as well as other issues is going to be discussed when the Congress is in ______ again next spring.
A.
assembly
B.
session
C.
conference
D.
convention
【单选题】The author uses the example of the question of life in other galaxies primarily in order to
A.
question whether in certain situations the truth may ever be determined
B.
illustrate that truth has an objective existence even when there are few empirical grounds for determining it
C.
suggest that the answer to certain scientific questions plays only a minor role in people's lives
D.
support the thesis that skepticism plays a vital role in the scientific process
E.
assess the answers pseudo-sciences like ufology provide for unanswerable questions
【单选题】与表达式35%3值相同的表达式是
A.
5%3
B.
5&3
C.
5|3
D.
35/3
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