皮皮学，免费搜题
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【单选题】
放在手心里就能熔化的稀有金属镓，其沸点为2403℃，奇妙的是镓熔化后在－120℃仍不易凝固；常温下，镓不与氧气、水反应，但能溶于强酸和强碱；与硫、硒等非金属化合可生成优良的半导体材料。以下有的用途或性质的叙述中，正确的是（）A.
不能做半导体材料
B.
能用它制成的容器盛放硝酸溶液
C.
能制作高温温度计
D.
常温下很容易生锈
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Suppose the marginal product of labor is
A.
N = 200 - 0.5N
B.
ere N is aggregate employment. The aggregate quantity of labor supplied is 300 + 8w, where w is the real wage. What is the equilibrium real wage?
C.
5
D.
10
E.
15
F.
20
【单选题】Suppose that the money supply and labor productivity are constant. Then a rise in money wages would eventually lead to______.
A.
an increase in the rate of inflation because firms will pass on their increased costs to the consumer by marking up prices
B.
an increase in the rate of inflation because the wages received will increase aggregate demand
C.
an increase in the rate of unemployment
D.
all of the above
【单选题】Suppose the marginal product of labor is
A.
N = 200 - 0.5N
B.
ere N is aggregate employment. The aggregate quantity of labor supplied is 300 + 8w, where w is the real wage. What is the equilibrium quantity of employment?
C.
12
D.
190
E.
380
F.
760
【简答题】La maison qu’il a héritée ________ sa tante coute plus ________ trois cent mille francs.
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