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【单选题】
According to the author, the most important change in the American family in the 20th century is that ______.A.
the wife and husband live with dependent children
B.
the family income has grown a lot
C.
the wife is no longer responsible for taking care of the children
D.
the wife has joined the work force
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【简答题】按照上下行方向列车数不同,列车运行图可分为( )、( )。
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【简答题】The English language started about 1500 years ago in England. Three groups of people came to the country. They were the Angles, the Saxons, and the Jutes. These three groups brought their languages wi...
【简答题】运行图按照上下行方向列车数可分为:( ),( );
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