地下式水池在进行承载能力极限状态设计时,一般应根据哪几种的荷载组合计算内力?它们分别

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问题:

地下式水池在进行承载能力极限状态设计时,一般应根据哪几种的荷载组合计算内力?它们分别出现在什么阶段?

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尚未探明的矿藏资源是会计法律关系的客体。()

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下列句中加点词的古今意义相同的一项是

A.乃封甘罗,以为上卿

B.今者张唐欲称疾不肯行

C.左右欲刃相如

D.去咸阳七里而立死于杜邮

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Who takes care of the elderly in the United States today? Many people wrongly believe that when people reach old age, their families place them in nursing homes. They are left there in the hands of strangers for the rest of their lives. Their grown-up children visit them only occasionally, but more often, they do not have any regular visitors. Actually this is not true. In fact, family members provide over 80 percent of the care that elderly people need.

Prof. Samuel Preston, a sociologist at the University of Pennsylvania, studied how the American family is changing. He reported that by the time the average American couple reaches 40 years of age, they have more parents than children. This statistic (统计) shows the change in life-styles and responsibilities of aging Americans. The average middle-aged couple can look forward to caring for elderly parents some time after their own children have grown up. Moreover, because people today live longer after an illness than people did years ago, family members must provide long-term care. These facts also mean that after care-givers provide for their elderly parents, who will eventually die, they will be old and may require care too. When they do, their spouses (配偶, 指夫或妻) will probably take care of them.

Because Americans are living longer than ever, more psychologists and social workers have begun to study care-giving to improve care of the elderly. They have found that all caregivers share a common characteristic: all caregivers believe that they are the best person for the job, for different reasons. One caregiver said that she had always been close to her mother. Another was the oldest child. In other words, they all felt that they could do the job better than anyone else. Social workers interviewed caregivers to find out why they took on the responsibility of caring for an elderly, dependent relative. They discovered three basic reasons. Many caregivers believed that they had the responsibility to help their relatives. Some stated that helping others made them feel more useful. Others hoped that by helping someone now, they would deserve care when they became old and dependent.

48. It can be inferred that a middle-aged couple in the US _______.

A. spend more time with their children than with their parents

B. depend on their children’s assistance in caring for the elderly

C. don’t pay more attention to their children than to their parents

D. spend more time taking care of their parents than before

49. The most common characteristic of caregivers is ______.

A. they all have professional qualifications in care-giving

B. they all believe themselves to be the best caregiver

C. they are the eldest child in the family

D. they are close to their parents

50. Which of the following is NOT a basic reason for care-giving?

A. Respect from other members of the family.

B. Prepayment for the care they will get in old age.

C. A feeling of being needed and helpful.

D. A strong sense of duty to the elderly.

51. What is the main idea of this passage?

A. Most old people in the US are living a happy life.

B. Most old people in the US live longer today after an illness than people did years ago.

C. Most elderly people in the US are taken care of by their families, who often find the experience satisfying.

D. Most elderly people in the US prefer living with their families to living nursing houses.

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房地产贷款中,把贷款期限在一年以上、五年以下(含五年)的贷款称为( )。

A.短期贷款

B.中期贷款

C.中长期贷款

D.长期贷款

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某矩形截面钢筋混凝土构件,截面b×n=300mm×500mm,混凝土强度等级为C30,箍筋采用HPB235,纵向受力钢筋为HRB335,as=35mm。构件上无集中荷载作用,截面受扭塑性抵抗矩Wt=18×106mm3,Ucor=1400mm3,Acor=112500mm2

假定构件承受弯矩设计值M一100kN·m,扭矩设计值T=14kN·m,剪力设计值为V=20kN,在弯矩和扭矩的共同作用下,构件弯曲受拉一侧钢筋的配置量与下列()项数值最为接近。

A.615mm2

B.963mm2

C.734mm2

D.895mm2

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