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Passage 1 Once it was possible to define male and female roles easily by the division of labor. Men worked outside the home and earned the income to support their families, while women cooked the meals and took care of the home and the children. These roles were firmly fixed for most people, and there was not much opportunity for women to exchange their roles. But by the middle of this century, men’s and women’s roles were becoming less firmly fixed. In the 1950s, economic and social success was the goal of the typical American. But in the 1960s a new force developed called the counterculture. The people involved in this movement did not value the middle-class American goals. The counterculture presented men and women with new role choices. Taking more interest in childcare, men began to share child-raising tasks with their wives. In fact, some young men and women moved to communal homes or farms where the economic and childcare responsibilities were shared equally by both sexes. In addition, many Americans did not value the traditional male role of soldier. Some young men refused to be drafted as soldiers to fight in the war in Vietnam. In terms of numbers, the counterculture was not a very large group of people. But its influence spread to many parts of American society. Working men of all classes began to change their economic and social patterns. Industrial workers and business executives alike cut down on “overtime” work so that they could spend more leisure time with their families. Some doctors, lawyers, and teachers turned away from high paying situations to practice their professions in poorer neighborhoods. In the 1970s, the feminist movement, or women’s liberation, produced additional economic and social changes. Women of all ages and at all levels of society were entering the work force in greater numbers. Most of them still took traditional women’s jobs as public school teaching, nursing, and secretarial work. But some women began to enter traditionally male occupations: police work, banking, dentistry, and construction work. Women were asking for equal work, and equal opportunities for promotion. Today the experts generally agree that important changes are taking place in the roles of men and women. Naturally, there are difficulties in adjusting to these transformations. 1.Which of the following best express the main idea of Paragraph 1? A.Women usually worked outside the home for wages. B.Men and women’s roles were easily exchanged in the past. C.Men’s roles at home were more firmly fixed than women’s. D.Men and women’s roles were usually quite separated in the past. 2.Which sentence best expresses the main idea of Paragraph 2? A.The first sentence. B.The second and the third sentences. C.The fourth sentence. D.The last sentence. 3.In the passage the author proposes that the counterculture___. A.destroyed the United States. B.transformed some American values. C.was not important in the United States. D.brought people more leisure time with their families. 4.It could be inferred from the passage that___. A.men and women will never share the same goals. B.some men will be willing to exchange their traditional male roles. C.most men will be happy to share some of the household responsibilities with their wives. D.more American households are headed by women than ever before. 5.The best title for the passage may be ___. A.Results of Feminist Movements B.New influence in American Life C.Counterculture and Its consequence D.Traditional Division of Male and Female Roles.
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【单选题】女:田中さん、少し休みませんか。おいしいお菓子でも食べませんか。 男:あ、いいですね。でも、会議までにこれを準備しておかなけれあならないから、これが終わってからいただきます。 問:男の人はこの後すぐ何をしますか。
A.
少し休みます。
B.
お菓子を食べます。
C.
会議に出ます。
D.
仕事を続けます。
【单选题】以下关于细胞膜离子通道的叙述,正确的是
A.
在静息状态下,钠离子、钾离子通道处于关闭状态。
B.
细胞接受刺激开始去极化时,就有钠离子通道大量开放。
C.
在动作电位去极相,钾离子通道也被激活,但出现较晚。
D.
钠离子通道关闭,出现动作电位的复极象。
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A.
20
B.
24
C.
25
D.
15
【单选题】以下关于细胞膜离子通道的叙述,正确的是
A.
在静息状态下,Na、K离子通道都处于关闭状态
B.
细胞受刺激刚开始去极化时,钠离子通道就大量开放
C.
在动作电位去极相,钾离子通道也被激活,但出现较慢
D.
钠离子通道关闭,出现动作电位的复极相
E.
钠、钾离子通道被称为化学依从性通道
【单选题】以下关于细胞膜离子通道的叙述,正确的是
A.
在静息状态下,钠通道和钾通道处于关闭的状态
B.
细胞接受刺激开始去极化时,就有大量钠通道开放
C.
在动作电位去极化,钾通道也被激活,但出现较慢
D.
钠通道关闭,出现动作电位的复极化
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A.
在静息状态下,Na + 、K + 通道都处于关闭状态
B.
细胞受刺激刚开始去极化时,就有Na + 通道大量开放
C.
在动作电位去极相,K + 通道也被激活,但出现较慢
D.
Na + 通道关闭,出现动作电位的复极相
E.
细胞膜上有大量Na + ,K + 的电压门控通道
【单选题】以下关于细胞膜离子通道的叙述,正确的是
A.
在静息状态下,Na+、K+通道处于关闭状态
B.
细胞接受刺激开始去极化时,就有Na+通道大量开放
C.
在动作电位去极相,K+通道也被激活,但出现较慢
D.
Na+通道关闭,出现动作电位的复极相 本题为单选题,请选出正确答案,谢谢!
【单选题】以下关于细胞膜离子通道的叙述,正确的是
A.
在静息状态下,钠离子和钾离子通道处于关闭的状态
B.
细胞接受刺激开始去极化时,就有钠离子通道大量开放
C.
在动作电位去极化时,钾离子通道也被激活,但出现较慢
D.
动作电位的复极化是由于钠离子通道的关闭
E.
在动作电位去极化时,钾离子通道也被激活,出现迅速
【单选题】以下关于细胞膜离子通道的叙述,正确的是
A.
在静息状态下,Na + ,K + 通道都处于关闭状态
B.
细胞受刺激刚开始去极化时,就有Na + 通道大量开放
C.
在动作电位去极相,K + 通道也被激活
D.
Na + 通道开始关闭时就会出现动作电位的复极相
E.
Na + ,K + 通道被称为化学依从性通道
【判断题】经济全球化是不可阻挡的历史潮流( )
A.
正确
B.
错误
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