有利于降血压的食物有()。 A.奶和乳制品 B.芹菜 C.黄瓜 D.木耳

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问题:

有利于降血压的食物有()。

A.奶和乳制品

B.芹菜

C.黄瓜

D.木耳

E.香蕉

考点:营养与食品卫生(医学高级)营养与食品卫生综合练习营养与食品卫生综合练习题库
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下列各题中,商最小的是[ ]

A.6.5÷0.125

B.6.5÷12.5

C.6.5÷1.25

题型:多项选择题

Happiness is contagious (有感染力的), as researchers reported on Thursday.

People with the most social connections — spouses, friends, neighbors and relatives — were also the happiest, the data showed. “Each additional happy person makes you happier,” Christakis said.

“Imagine that I am connected to you and you are connected to others and others are connected to still others. It is this fabric of humanity, like an American patch quilt.”

Each person sits on a different colored patch. “Imagine that these patches are happy and unhappy patches. Your happiness depends on what is going on in the patch around you,” Christakis said.

“It is not just happy people connecting with happy people, which they do. Above and beyond, there is this contagious process going on.”

And happiness is more contagious than unhappiness, they discovered.

“If a social contact is happy, it increases the likelihood that you are happy by 15 percent, ” Fowler said. “A friend of a friend, or the friend of a spouse or a sibling (兄弟姐妹), if they are happy, increases your chances by 10 percent,” he added.

A happy third degree friend — the friend of a friend of a friend — increases a person’s chances of being happy by 6 percent.

“But every extra unhappy friend increases the likelihood that you’ll be unhappy by 7 percent,” Fowler said.

The finding is interesting and it is useful, too, Fowler said.

“Among other benefits, happiness has been shown to have an important effect on reduced mortality (死亡率), pain reduction, and improved cardiac (心脏的) function. So better understanding of how happiness spreads can help us learn how to develop a healthier society,” he said.

The study also fits in with other data suggested in 1984 that having $ 5,000 extra increased a person’s chances of becoming happier by about 2 percent.

“A happy friend is worth about $ 20,000,” Christakis said.

小题1:It can be inferred that________.

A.happiness spreads as fast and widely as unhappiness

B.unhappiness spreads faster and more widely than happiness

C.happiness spreads faster and more widely than unhappiness

D.the spread of unhappiness has not been studied by researchers小题2:Which of the following will increase your chances of becoming happier most?

A.Being in a party with a happy atmosphere.

B.A happy experience of your brother or your parents.

C.A happy trip to a foreign country of your friends.

D.Happiness of your friend’s friend.小题3:What does Christakis mean by saying “A happy friend is worth about $ 20,000”?

A.A happy friend can help you bring in a wealth of $ 20,000.

B.A happy friend is a wealth which is worth about $ 20,000.

C.A happy friend increases your chances of being happy by 2%.

D.A happy friend increases your chances of being happy by 8 %.

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李某有一处房产,其《房屋所有权证》记载的建筑面积300m2,用途为住宅,土地为出让使用权,土地使用期限至2060年9月30日。李某于2009年2月将该房屋改为商店并经营,于2009年6月以3000元/m2的价格将其卖给张某。由于融资的需要,张某于2010年9月30日委托甲房地产估价机构评估该房地产的抵押价值,估价结果为2300元/m2。请问:1.张某认为该估价结果偏低,你认为应如何解释该估价结果的合理性?2.2011年7月该房屋被列入征收范围,国有土地上房屋征收决定公告颁发日为2011年7月30日,乙房地产估价机构受征收人委托进行国有土地上房屋征收估价,估价结果为2800元/m2。张某认为该估价结果偏低,因2011年4月征收的邻近商铺的补偿单价为4000元/m2。你认为应如何解释该估价结果的合理性?

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3颗气象卫星与地心距离相等,并可同时覆盖全球地表,现假设地球半径为R,则3颗卫星距地球最短距离为()。

A、R 

B、2R 

C、R/2 

D、2R/3

题型:多项选择题

胫骨()

A.位于小腿外侧

B.胫骨体呈圆柱形

C.上端膨大形成内、外侧髁

D.下端膨大外侧面形成外踝

E.两髁之间形成髁间凹

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