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【简答题】
“分类”是化学研究中常用的思维方法,同类的物质往往具有一些共性。有下列9种物质,回答下列问题(填序号): 1CuO 2Na 2 O 2 3CaCO 3 4盐酸 5H 2 O 6N 2 7Fe 8CO 2 9NaOH溶液 (1)属于非金属单质的是 ,属于金属单质的是 ,属于酸性氧化物的是 ,属于碱溶液的是 ,属于酸溶液的是 ,属于盐的是 。 (2)上述物质中,常温下能两两反应并且生成盐和水的除14外,还有2组分别为 、 。 (3)上述物质中,常温下能两两反应并且产生气体的除24、25、29外,还有2组分别为 、 。
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举一反三
【单选题】________ results from the lessening of trade barriers and the increased flow of goods and services, capital, labor, and technology around the world.
A.
Economic integration
B.
Nationalization
C.
Protectionism
D.
Mercantilism
【单选题】Is increased capital spending the only way for an economy to expand its production possibilities curve?
A.
No, an economy can also expand by invention and innovation.
B.
No, an economy can also grow by reallocating more resources toward the production of consumption goods.
C.
Yes, more capital investment is the only way to expand production possibilities.
D.
Yes, although increased production of capital clearly increases the opportunity cost.
【单选题】Paid-in capital is increased when bonds payable are issued with detachable stock purchase warrants.
A.
TRUE
B.
FALSE
【简答题】Yemeni 5.________ say they have increased protection of foreign interests in the capital.
【简答题】The demand for labor has increased because of technological change and the accumulation of capital. (Para. 4)
【判断题】Paid-in capital is increased when bonds payable are issued with detachable stock purchase warrants.
A.
正确
B.
错误
【判断题】Poor corporate governance leads to problems such as lack of investor confidence and an increased cost of capital.
A.
正确
B.
错误
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