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【单选题】
从1月23日武汉到美国成为世界疫情的“震中”，中国政府和人民付出巨大牺牲，争取的长达（ ）的窗口期，可惜被美国浪费掉了。
A.
一个多月。
B.
两个多月。
C.
近百天。
D.
以上选项都不对。
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举一反三
【单选题】宋教仁在同盟会发展和革命过程中,最重要的影响是
A.
提出二民主义
B.
提出革命三策和组织同盟会中部总会
C.
创办民报
D.
发行《二十世纪之支那》
查看完整题目与答案
【单选题】In a competitive market,
A.
only a few sellers sell the same product.
B.
each seller has a limited degree of control over the price of his product.
C.
if one buyer chooses to purchase a large quantity of the product, the price will rise
D.
if one seller withholds his product from the market, prices will rise.
查看完整题目与答案
【单选题】In a competitive market,
A.
only a few sellers sell the same product.
B.
each seller has limited control over the price of his product.
C.
if one buyer chooses to purchase a large quantity of the product, the price will rise.
D.
if one seller withholds his product from the market, prices will rise.
查看完整题目与答案
【多选题】宋教仁在同盟会发展和革命过程中,最重要的影响是()。
A.
提出革命三策
B.
负责同盟会本部事物
C.
创办同盟会官方报纸
D.
组织同盟会中部总会
查看完整题目与答案
【单选题】If a perfectly competitive industryis in long- run equilibrium, all frms
A.
have equal marginal costs.
B.
) have identical supply curves.
C.
operate at the point where marginal cost is greater than averagetotal costs.
D.
have identical plant sizes.
查看完整题目与答案
【单选题】衡量人生的社会价值的重要标准是( )
A.
树立什么样的人生目的
B.
个人对社会和他人所做的贡献
C.
什么样的人生态度指引人生道路
D.
个人从社会和他人那里得到的尊重和满足
查看完整题目与答案
【单选题】衡量人生的社会价值的重要标准是( )
A.
树立什么样的人生目的
B.
个人对社会和他人所做的贡献
C.
以什么样的人生态度指引人生道路
D.
个人从社会和他人那里得到的尊重和满足
查看完整题目与答案
【单选题】If a firm buys its labor in a competitive market, then a short-run increase in the price of the firm's output will cause the firm to
A.
offer a higher wage.
B.
hire fewer workers.
C.
hire more workers.
D.
offer a lower wage.
查看完整题目与答案
【判断题】2012年1月,Z-Corp公司被美国3Dsystems公司收购。
A.
正确
B.
错误
查看完整题目与答案
【单选题】If a perfectly competitive market is in long-run equilibrium and there is a permanent decrease in demand, then
A.
some firms will incur economic losses.
B.
firms are no longer maximizing profits.
C.
some firms must immediately exit.
D.
each firm must produce less output in the new long run equilibrium and earn less economic profit.
查看完整题目与答案
相关题目：
【单选题】宋教仁在同盟会发展和革命过程中,最重要的影响是
A.
提出二民主义
B.
提出革命三策和组织同盟会中部总会
C.
创办民报
D.
发行《二十世纪之支那》
查看完整题目与答案
【单选题】In a competitive market,
A.
only a few sellers sell the same product.
B.
each seller has a limited degree of control over the price of his product.
C.
if one buyer chooses to purchase a large quantity of the product, the price will rise
D.
if one seller withholds his product from the market, prices will rise.
查看完整题目与答案
【单选题】In a competitive market,
A.
only a few sellers sell the same product.
B.
each seller has limited control over the price of his product.
C.
if one buyer chooses to purchase a large quantity of the product, the price will rise.
D.
if one seller withholds his product from the market, prices will rise.
查看完整题目与答案
【多选题】宋教仁在同盟会发展和革命过程中,最重要的影响是()。
A.
提出革命三策
B.
负责同盟会本部事物
C.
创办同盟会官方报纸
D.
组织同盟会中部总会
查看完整题目与答案
【单选题】If a perfectly competitive industryis in long- run equilibrium, all frms
A.
have equal marginal costs.
B.
) have identical supply curves.
C.
operate at the point where marginal cost is greater than averagetotal costs.
D.
have identical plant sizes.
查看完整题目与答案
【单选题】衡量人生的社会价值的重要标准是( )
A.
树立什么样的人生目的
B.
个人对社会和他人所做的贡献
C.
什么样的人生态度指引人生道路
D.
个人从社会和他人那里得到的尊重和满足
查看完整题目与答案
【单选题】衡量人生的社会价值的重要标准是( )
A.
树立什么样的人生目的
B.
个人对社会和他人所做的贡献
C.
以什么样的人生态度指引人生道路
D.
个人从社会和他人那里得到的尊重和满足
查看完整题目与答案
【单选题】If a firm buys its labor in a competitive market, then a short-run increase in the price of the firm's output will cause the firm to
A.
offer a higher wage.
B.
hire fewer workers.
C.
hire more workers.
D.
offer a lower wage.
查看完整题目与答案
【判断题】2012年1月,Z-Corp公司被美国3Dsystems公司收购。
A.
正确
B.
错误
查看完整题目与答案
【单选题】If a perfectly competitive market is in long-run equilibrium and there is a permanent decrease in demand, then
A.
some firms will incur economic losses.
B.
firms are no longer maximizing profits.
C.
some firms must immediately exit.
D.
each firm must produce less output in the new long run equilibrium and earn less economic profit.
查看完整题目与答案