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【判断题】
常温下金属的晶粒越细小,其强度、硬度越高,但塑性、韧性越差。A.
正确
B.
错误
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举一反三
【单选题】In the figure given below AB is the production-possibility curve of Canada. In the absence of trade, the price ratio is 1 bushel of wheat/bale of cotton as shown by the line PQ. The international pric...
A.
B.
C.
D.
D
【单选题】In the figure given below AB is the production-possibility curve of Canada. In the absence of trade, the price ratio is 1 bushel of wheat/bale of cotton as shown by the line PQ. The international pric...
A.
1; 0.25
B.
4; 1
C.
1; 4
D.
0; 2.5
【单选题】给下列进行结构配对 美美地 Měiměi de
A.
吃一顿 chī yídùn
B.
写汉字 xiě Hànzì
C.
考试 kǎoshì
D.
出去了 chūqu le
【单选题】In the figure given above, AB is the production-possibility curve of Canada. In the absence of trade, the price ratio is 1 bushel of wheat/bale of cotton as shown by the line PQ. The international pri...
A.
1; 0.25
B.
4; 1
C.
1; 4
D.
0; 2.5
【单选题】在信息分类的基本原则中，信息分类体系必须考虑到项目各参与方所应用的编码体系的情况，项目信息的分类体系应能满足不同项目参与方高效信息交换的需要，这体现了（ ）原则。
A.
兼容性
B.
实用性
C.
可扩展性
D.
稳定性
【单选题】Suppose that Portugal requires 4 days of labor to produce 1 unit of wine and 6 days of labor to produce 1 unit of clothing, while England requires 8 days of labor to produce 1 unit of wine and 12 days...
A.
Portugal has a comparative advantage over England in producing wine.
B.
England has a comparative advantage over Portugal in producing clothing.
C.
Portugal has an absolute advantage over England in producing wine.
D.
England has an absolute advantage over Portugal in producing clothing.
【单选题】在信息分类的基本原则中，项目信息的分类体系应能满足不同项目参与方高效信息交换的需要，这体现了项目信息分类的______原则。
A.
兼容性
B.
稳定性
C.
可扩展性
D.
实用性
【判断题】Much of American trade policy has depended on the happenstance of cotton being the original source of the Virginia colony’s economic survival in the 1600s.
A.
正确
B.
错误
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