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【单选题】
磁铁靠近铁钉时,下面说法正确的是( )A.
磁铁吸引铁钉，而铁钉不能吸磁铁
B.
铁钉吸引磁铁，而磁铁不能吸铁钉
C.
磁铁吸铁钉的同时铁钉也在吸磁铁
D.
磁铁和铁钉之间没有发生相互吸引作用
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【单选题】The Solow model predicts that two economies will converge if the economies start with the same:
A.
capital stocks
B.
populations.
C.
steady states.
D.
production functions.
【单选题】The relationship between the home and market economies has gone through two distinct stages. Early industrialization began the process of transferring some production processes (e. g. cloth-making, se...
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】The relationship between the home and market economies has gone through two distinct stages. Early industrialization began the process of transferring some production processes (e. g., cloth making, s...
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】The relationship between the home and market economies has gone through two distinct stages. Early industrialization began the process of transferring some production processes (eg. cloth making, sewi...
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】The relationship between the home and market economies has gone through two distinct stages. Early industrialization began the process of transferring some production processes (e.g., cloth making, se...
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】以下描述属于哪一类病害? 发病初期叶背出现圆形白粉状小霉斑,后扩大连片,严重时布满叶背,叶面与病斑对应处可见淡黄褐斑;后期自色霉斑中出现黄色小颗粒物,渐由黄变褐,最后变为黑色小粒点,即病原菌闭囊壳。多发生于枝条中下部将硬化的或老叶片背面,枝梢嫩叶受害较轻。
A.
白粉病类
B.
炭疽病类
C.
灰霉病类
D.
锈病类
【单选题】The relationship between the home and market economies has gone through two distinct stages. Early industrialization began the process of transferring some production processes (eg. Cloth-making, sewi...
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】The relationship between the home and market economies has gone through two distinct stages. Early industrialization began the process of transferring some production processes (e. g. clothmaking, sew...
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
【单选题】The relationship between the home and market economies has gone through two distinct stages. Early industrialization began the process of transferring some production processes (e.g. clothmaking, sewi...
A.
it was a necessary step in the process of industrialization
B.
they depended on electricity available only to the market economy
C.
it was troublesome to produce such goods in the home
D.
the marketplace was more efficient with respect to these processes
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