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【简答题】
A nuclear family is (S1) ______ in highly-industrialized societies. Beginning in the early 20th century, the two-parent family (S2) ______ as the nuclear family was the predominant American family type. (S3) ______ children live with their parents until they go away to a college or university, or until they (S4) ______ jobs and acquire a(n) (S5) ______ or home of their own. In the early mid-20th century, the father was typically the (S6) ______ wage-earner, and the mother was the Children’s (S7) ______ caregiver. Today, often both parents hold jobs. Dual-earner families are the predominant type for families with children in the United States. Increasingly, one of the parents has a non-standard shift, that is, a shift that does not start in the morning and end in the late afternoon. In these families, one of the parents (S8) ______ the children while the other works. Prior to school, adequate day care of children is (S9) ______ for dual-earner families. In recent years, many private companies and home-based day care centers have sprung up to fulfill this need. Increasingly, companies are getting (S10) ______ in the arrangement of day care. Governments are providing assistance to parents that require day care as well.
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举一反三
【单选题】Charcot三联征表现的顺序常是
A.
寒颤高热.黄疸.腹痛
B.
腹痛.寒颤高热.黄疸
C.
黄疸.寒颤高热.腹痛
D.
寒颤高热.腹痛.黄疸
E.
腹痛.黄疸.寒颤高热
【单选题】按照班级进行分组 ( )
A.
ORDER BY CLASSES
B.
DORDER CLASSES
C.
GROUP BY CLASSES
D.
以上说法不正确
【简答题】信号可以分为模拟信号和();模拟信号在经过()后也可以在数字信道上传输。
【判断题】设施内高温高湿会加剧病虫害传播 。
A.
正确
B.
错误
【判断题】模拟信号也可以与数字信号一样在计算机上进行数字信号处理,只要增加采样一道工序就可以。 ( )
A.
正确
B.
错误
【判断题】模拟信号也可以与数字信号一样在计算机上进行数字信号处理,只要加一道采样的工序就可以了。A. 对 B. 错
A.
正确
B.
错误
【判断题】模拟信号可以在数字信道,也可以在模拟信道上传输
A.
正确
B.
错误
【判断题】模拟信号也可以与数字信号一样在计算机上进行数字信号处理,只要加一道采样的工序就可以了。
A.
正确
B.
错误
【简答题】目前,世界上的语言大致可以分为( )大语系,汉语属于( )语系( )语族。
【判断题】模拟信号也可以与数字信号一样在计算机上进行数字信号处理,只要增加一道采样的工序就可以了。
A.
正确
B.
错误
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