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【判断题】
女贞单叶互生,革质,表面深绿有光泽,背面淡绿色。A.
正确
B.
错误
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【单选题】Speaking of the problems of training and motivating laborers, the author implies that ______.
A.
laborers should keep up with the rapid development of modem technology
B.
laborers pay more attention to wages
C.
laborers want to advance themselves
D.
there is a radical change in management style
【单选题】Speaking of the problems of training and motivating laborers, the author implies that_____.
A.
laborers should keep up with the rapid development of modern technology
B.
laborers pay more attention to wages
C.
laborers want to advance themselves
D.
there is a radical change in management style
【单选题】相对于常规的传感器,光纤传感器具有多个显著的优点,以下的特点中,不属于光纤传感器优点的是( )
A.
抗电磁干扰
B.
传输距离远
C.
使用寿命长
D.
对被测物体通过的速度没有要求
【单选题】Even at present, in South Africa______.
A.
the black laborers are killed for mining gold
B.
the black laborers have got rid of the control of white rulers
C.
the black laborers who mine gold are still exploited cruelly
D.
the life of the black laborers is highly improved
【单选题】If there is a shortage of farm laborers, we would expect
A.
the wage of farm laborers to increase.
B.
the wage of farm laborers to decrease.
C.
the price of farm commodities to decrease.
D.
a decrease in the demand for substitutes for farm labor.
【单选题】According to the passage, with the development of modern industry, .
A.
factory laborers will overtake intellectual employees in number
B.
there are as many middle-class employees as factory laborers
C.
employers have attached great importance to factory laborers
D.
the proportion of factory laborers in the total employee population has decreased
【单选题】According to the passage, Kathie Gifford______.
A.
was one of the underpaid laborers in New York City's Chinatown
B.
was one of the well-paid laborers in New York City's Chinatown
C.
made much money from cheap laborers in New York City's Chinatown
D.
wrote a newspaper article exposing the practice of employing cheap laborers
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