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You're going to hear some sentences which can give you a picture of the changes in women's status in America over the years. Listen carefully and fill in the blanks with what you hear. on behalf of women's rights began in ,when both by law and by custom, women were considered " . " In , important changes occurred in the in America as a result of World War I. In after World War I, American women gained the right to . During , large numbers of women to do the jobs of the men who had been drafted into . Today, women make up of the professional in the US, and they make up of the airline pilots and . The Small Business Administration predicts that women will own nearly (others say half ) of in the US by the year 2000. From to , the number of business men and women -- -- increased overall, but during that period, the number of female entrepreneurs grew . In in the US, only of the state were women. By , this number had grown by , and of state legislators were women. Today, only of American families have the and the mother who to take care of the children. The rate of women's participation in the rose from in 1940 to in 1985.
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【单选题】风蚀能力的大小与风所夹带的碎屑颗粒有关的性质是( )。
A.
颗粒的成分
B.
颗粒的比重
C.
颗粒的大小
D.
颗粒的形状
【判断题】打开“画笔”控制面板的方法是通过【窗口】|【画笔】命令。
A.
正确
B.
错误
【单选题】全国粮食产量与全国人口比较,属于( )。
A.
平均指标
B.
强度相对指标
C.
计划完成程度相对指标
D.
比较相对指标
【简答题】(1) 。 (2)已知 ,若 , ,则
【简答题】Knudson模型认为发生眼癌的两次突变发生在一个体细胞的可能性很( ),所以眼癌是类很稀少并通常累及( )只眼。如果累及( )只眼则孩子年龄较小。
【单选题】ZY(J)6型电液转辙机检查柱与表示杆检查块缺口两侧的间隙为( ):
A.
4 mm±1.5 mm
B.
1.5 mm±0.5 mm
C.
1.5 mm
D.
2 mm±0.5 mm
【单选题】ZY(J)6型电液转辙机检查柱与表示杆检查块缺囗两侧的间隙为( ):
A.
)1.5mm
B.
)1.5mm±0.5mm
C.
)2mm±0.5mm
D.
)4mm±1.5mm
【单选题】全国粮食产量与全国人口比较,属于( )。
A.
结构相对指标
B.
比较相对指标
C.
比例相对指标
D.
强度相对指标
【简答题】I teach not because teaching is easy for me. I like the pace of the academic calendar.
【单选题】用电动吸引器吸痰,每次吸痰时问不超过
A.
5秒
B.
10秒
C.
15秒
D.
20秒
E.
25秒
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