试题与答案

临床资料:女,74岁,主诉转颈后眩晕。超声综合描述:左侧椎动脉内径0.33cm,走行

题型:单项选择题

题目:

临床资料:女,74岁,主诉转颈后眩晕。超声综合描述:左侧椎动脉内径0.33cm,走行正常,右侧椎动脉内径0.32cm,走行纡曲,入椎前呈"M"形,椎间段节段性走行纡曲,CDFI:纡曲段血流充盈良好。见彩图92。超声提示()。

A.双侧椎动脉正常声像图

B.双侧椎动脉不对称

C.右侧椎动脉闭塞

D.右侧椎动脉走行纡曲(椎前段、椎间段)

答案:

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参考答案:D

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Complete the following passage by filling in each blank with one word that best fits the context.

On November 2nd San Francisco became the first major US city to pass a law on controlling give-away toys with unhealthy restaurant meals marketed at kids.

小题1:______law will take effect on December 1, 2011. It is required that kids’ meals

小题2: 

      meet certain nutritional standards 小题3:      they can be sold with free toys.

McDonald’s officials were angry with the decision,小题4:      effectively bans their popular Happy Meals.

But supporters say小题5:      aims to promote healthy habits while combating child obesity(肥胖). “This is a challenge to the restaurant industry to think about children’s health first,” said San Francisco Supervisor Eric Mar.

About 15 percent of American 小题6:           are overweight or obese, which puts them 小题7:      risk of developing heart disease, cancer, etc. In some states, the childhood obesity rate is over 30 percent.

McDonald’s started to sell the Happy Meals in 1979 with toys. In 2006, fast-food companies spent more than $520 million on advertising and toys to promote meals 小题8: children, according to the US government.

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