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【单选题】
从事农业机械维修不得有下列行为：( )A.
使用符合农业机械安全技术标准的零配件;
B.
拼装、改装农业机械整机;
C.
承揽维修已经多次使用的农业机械;
D.
采用更换零部件的方法进行维修。
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皮皮学刷刷变学霸
举一反三
【单选题】Based on the graph, starting from equilibrium at interest rate r 1 and income Y 1 , an increase in government spending would generate the new equilibrium combination of interest rate and income: mg sr...
A.
r 2 , Y 2
B.
r 3 , Y 2
C.
r 2 , Y 3
D.
r 3 , Y 3
【单选题】An increase in which one of the following monetary measures would best complement fiscal measures that are designed to stimulate aggregate demand during a period of high unemployment
A.
Reserve requirements.
B.
Treasury securities held by the Federal Reserve.
C.
The Federal Reserve’s discount rate.
【单选题】Austenite is the
A.
BCC form of iron
B.
FCC form of iron
C.
α-iron
D.
Inter metallic compound iron carbide
【简答题】奥氏体（austenite）
【单选题】If Education R Us University thought that it faced an inelastic demand for the regular academic year but an elastic demand for summer school, and it wanted to increase its total tuition revenue, it wo...
A.
Increase; increase.
B.
Increase; decrease.
C.
Decrease; increase.
D.
Decrease, decrease.
【简答题】Sitting in a hot bath for one hour caused an __(1)___% increase of the body's ____(2)_e____use The researchers believe that the body ___(3)__r___ ____(4)_c___to protect the body from the ___(5)_h___...
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