—Could you let me know ______ yesterday?

题型:选择题

问题:

—Could you let me know ______ yesterday?

—Because the traffic was heavy. [ ]

A. why did you come late

B. why you came late

C. why do you come late

D. why you come late

考点:宾语从句
题型:选择题

Many researchers have found greater dependence and obedience in very young girls, greater autonomy and activity in boys. When a barrier is set up to separate children from their mothers, boys try to knock it down; girls cry helplessly. There is little doubt that mother’s encouragement or discouragement—of such behavior plays a major role in determining adult personality. For example, a mother often stimulates male autonomy by throwing a toy far away from her young son, thus silently suggesting to him that he leaves her to get it.
Animal studies suggest that there may be a biological factor in material behavior; mothers of some monkeys punish their male babies earlier and more often than their female offspring; they also touch their female babies more often and act more protectively toward them.
As for the controversial question of female "passivity", psychologist Helen Deutsh believes that the concept has been misunderstood. "There is no contradiction between being feminine and working. The self can be active in both men and women," she says. It is only in love and sex that passivity is particularly appropriate for women. As she sees it, passivity is no more than a king of openness and warmth; it does not mean "inactivity of emptiness".
Another controversy ranges over the effect of hormones. Aggressive women; who discount hormonal influence, disagree violently with scientific researchers, who almost unanimously agree that hormones help determine how people feel and act. So far, there have been few studies of male hormones, but scientists think they may eventually discover hormonal cycles in men that produce cyclic changes in mood and behavior. As for females, studies have indicated that 49 percent of female medical and surgical admissions, most psychiatric hospital admission and 62 percent of violent crimes among women prisoners are related with hormonal cycles in women.

Scientists think that ______ .

A.they may get the result of how hormones work
B.they should do more studies on male hormones
C.they may get hormones to serve people
D.nearly half of the female patients have hormone problem

题型:选择题

若复数(1+ai)(2+i)的实部和虚部相等,则实数a等于______.

题型:选择题

急性肾小球肾炎属于下列哪种性质的疾病()。

A.感染后免疫反应性疾病

B.病毒直接感染肾

C.细菌直接感染肾

D.单侧肾化脓性炎症

E.双侧肾化脓性炎症

题型:选择题

对在中华人民共和国境内提供应税劳务、转让无形资产和销售不动产的行为为课税对象所征收的税是( )。

A.消费税

B.营业税

C.房产税

D.土地增值税

题型:选择题

关于疾病年龄分布分析方法的叙述,正确的是

A.横断面分析不能反映致病因子与年龄的关系
B.出生队列是对不同年代出生的人群在同时期的发病率或死亡率进行分析
C.致病因子在不同时期强度不同时,出生队列分析能反映疾病与年龄的关系
D.出生队列研究实质是多组队列研究的综合应用
E.对突发的新急性传染病也应该用出生队列研究,反映病原因素与年龄的关系

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