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【单选题】
Part A Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points) Imagine being asked to spend twelve or so years of your life in a society which consisted only of members of your own sex. How would you react? Unless there was something definitely wrong with you, you wouldn't be too happy about it, to say the least. It is all the more surprising, therefore, that so many parents in the world choose to impose such abnormal conditions on their children—conditions which they themselves wouldn't put up with for one minute! Any discussion of this topic is bound to question the aims of education. Stuffing children's heads full of knowledge is far from being foremost among them. One of the chief aims of education is to equip future citizens with all they require to take their place in adult society. Now adult society is made up of men and women, so how can a segregated school possibly offer the right sort of preparation for it? Anyone entering adult society after years of segregation can only be in for a shock. A co-educational school offers children nothing less than a true version of society in miniature. Boys and girls are given the opportunity to get to know each other, to learn to live together from their earliest years. They are put in a position where they can compare themselves with each other in terms of academic ability, athletic achievement and many of the extra-curricular activities which are part of school life. What a practical advantage it is (to give just a small example) to be able to put on a school play in which the male parts will be taken by boys and the female parts by girls! What nonsense, boys and girls are made to feel that they are a race apart. Rivalry between the sexes is fostered. In a co-educational school, everything falls into its proper place. But perhaps the greatest contribution of co-education is the healthy attitude to life it encourages. Boys don't grow up believing that women are mysterious creatures—airy goddesses, more like book-illustrations to a fairy-tale, than human beings. Girls don't grow up imagining that men axe romantic heroes. Years of living together at school dispel illusions of this kind. There axe no goddesses with freckles, pigtails, piercing voices and inky fingers. There are no romantic heroes with knobby knees, dirty fingernails and unkempt hair. The awkward stage of adolescence brings into sharp focus some of the physical and emotional problems involved in growing up. These can better be overcome in a coeducational environment. Segregated schools sometimes provide the right conditions for sexual deviation. This is hardly possible under a co-educational system. When the time comes for the pupils to leave school, they are fully prepared to enter society as well-adjusted adults. They have already had years of experience in coping with many of the problems that face men and women. What is the best title for this passage?
A.
Only co-education can be in harmony with society.
B.
People Are in Great Need of Co-education.
C.
Any form. of Education Other Than Co-education Is Simply Unthinkable
D.
Co-education Has Many Features.
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【判断题】用于单台电动机保护的熔断器,其熔体额定电流的选择应等于电动机的额定电流。
A.
正确
B.
错误
【简答题】形核方式有自发形核和A. 非自发形核
【简答题】比较均匀形核和非均匀形核的异同,并说明为什么非均匀形核比均匀形核所需过冷度小,形核更容易?
【判断题】在同样的过冷度的条件下,非均匀形核的形核率比均匀形核的形核率更高。()
A.
正确
B.
错误
【单选题】你去别人家做客,离开时请人勿送应说
A.
拜托
B.
奉还
C.
留步
D.
劳驾
【单选题】下列作品、作家、文体相对应完全正确的一项是
A.
《鹊桥仙》 ——李清照——词
B.
《雨巷》 ——戴望舒——诗歌
C.
《南州六月荔枝丹》 ——朱光潜——说明文
D.
《琵琶行》 ——李白——古体诗
【单选题】你去别人家做客,离开时请主人勿送应说( )。
A.
拜托
B.
奉还
C.
留步
D.
相送
【单选题】下列作品、作家、文体相对应完全正确的一项是 (1分)
A.
《鹊桥仙》——李清照——词
B.
《雨巷》——戴望舒——诗歌
C.
《南州六月荔枝丹》——朱光潜——说明文
D.
《琵琶行》——李白——古体诗
【多选题】用熔断器作为对三相异步电动机进行短路保护时,熔丝或熔体的额定电流选择原则要求是()。
A.
对于单台电动机,可按1.5~2.5倍电动机的额定电流来选用;
B.
绕线型异步电动机一般取1.5~2.5倍额定电流即可;
C.
对于单台电动机,可按1.25倍电动机的额定电流来选用;
D.
绕线型异步电动机一般取1.25倍额定电流即可额定电压;
E.
对于多台电动机,熔体的额定电流应大于或等于最大一台电动机的额定电流的1.5~2.5倍,再加上同时使用的其他电动机额定电流之和。
F.
对于多台电动机,熔体的额定电流应大于或等于最大一台电动机的额定电流的2~3倍,再加上同时使用的其他电动机额定电流之和。
【多选题】均匀形核与非均匀形核的异同点
A.
非均匀形核的临界球冠半径等于均匀形核的临界晶核半径
B.
非均匀形核的临界球冠体积等于均匀形核的临界晶核体积
C.
均匀形核的相起伏大于非均匀形核的相起伏
D.
均匀形核的形核功大于非均匀形核的形核功
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