题目内容
（请给出正确答案）
A．He is remembered
B．To remember
C．While remembering
D．Though remembered
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更多“______ mainly for the inventio…”相关的问题
Universities charge students a rather high tuition mainly because ______.
A．they provide the students with very prosperous subjects to learn
B．they assume that their graduates can earn much more than they had paid
C．they don't get financial support from the government
D．they need much revenue to support the educational expenses
raged, but not forced, to “leave the nest” and begin an independent life.After children leave home they often find social relationship and financial support outside the family.Parents do not arrange marriages for their children,nor do children usually ask permission of their parents to get married.Romantic love is most often the basis for marriage in the United States; young adults meet their future spouses (配偶)through other friends, at jobs, and in organizations and religious institutions.Although children choose their own spouses, they still hope their parents will approve of their choices.
In many families, parents feel that children should make major life decisions by themselves.A parent may try to influence a child to f ollow a particular profession but the child is free to choose another career.Sometimes children do precisely the opposite of what their parents wish in order to assert their independence.A son may deliberately decide not to go into his father’s business because of a fear that he will lose his autonomy in his father’s workplace.This independence from parents is not an indication that parents and children do not love each other.Strong love between parents and children is universal and this is no exception in the American family.Coexisting with such love in the American family are cultural values of self-reliance and independence.
1.The writer discusses the marriage of young adults in order to show that they ().
A.enjoy the freedom of choosing their spouses
B.want to win the permission of their parents
C.have a strong desire to become independent
D.try to challenge the authority of their parents
2.Most young adults in America would get married for the sake of ().
A.love
B.financial concern
C.their parents
D.family background
3.Based on the passage, it can be inferred that ().
A.American young adults are likely to follow the suit of their parents.
B.most American parents never make major decisions for th eir children.
C.American young adults possess cultural values of independence.
D.when a young adult steps into his twenties, he will leave his home permanently.
4.A son is unwilling to work in his father’s business mainly because he ().
A.wishes to make full use of what he has learnt in school
B.wants to prove his independence
C.likes to do the opposite of what his parents approve of
D.tries to show his love for his parents
5.The subject matter of this passage is ().
A.cultural values in the American family
B.marriage arrangements
C.young adult’s pursuit of a career
D.decision making
一低频功率晶体管LM3886，由手册查得R(th)jc=1℃／W，R(th)ca=36℃／W，TjM=165℃，装置散热片后，若R(th)cs=0．5℃／W，R(th)sa=1．5℃／W，试求Ta0=25℃及Ta=60℃时采用散热片前后的最大允许管耗PCM，并进行分析。
