这些健康新知识 你了解多少

 　　1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient¹, which gives its fat a yellow color:

　　1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种营养素是：

　　Vitamin A

　　维生素A

　　Vitamin B

　　维生素B

　　Vitamin C

　　维生素C

　　Vitamin D

　　维生素D

　　2 Researchers found that having an “ambivalent²” marriage, in which feelings of support from a partner waver, could jeopardize³ health. What percentage of couples they surveyed had ambivalent marriages?

　　2、研究人员发现，如果你的婚姻属于“矛盾型”，你感觉配偶对自己的支持时高时低，那么你的健康可能会因此受损。在接受调查的夫妇中，“矛盾”婚姻的百分比有多高？

　　23 percent

　　23%

　　45 percent

　　45%

　　59 percent

　　59%

　　77 percent

　　77%

　　3 A large analysis found that birth order had an effect on which of the following traits?

　　3、一项大型分析发现，出生顺序对以下哪方面产生了影响？

　　Extroversion⁴

　　外向程度

　　Consientiousness

　　责任心

　　IQ

　　智商

　　All of the above

　　以上所有

　　4 Exercise, particularly during midlife, may slow cell aging by preventing the fraying⁵ of this part of the chromosome⁶:

　　4、锻炼，特别是中年时期加强锻炼，可能会减缓细胞老化，防止染色体的哪个部分损耗：

　　Centromeres

　　着丝粒

　　Telomeres

　　端粒

　　Chromatids

　　染色单体

　　Arms

　　染色体两臂

　　5 This contraceptive method is associated with the lowest one-year pregnancy⁷ rate:

　　5、采用哪种避孕方法，一年内的受孕率最低：

　　IUD

　　宫内节育器

　　The “pill”

　　口服药

　　Condoms

　　避孕套

　　Cervical caps and sponges

　　宫颈帽和海绵

　　6 The World Health Organization placed processed meats like hot dogs and bacon in its Group 1 category, with “sufficient evidence” that they could cause cancer. Other carcinogens in this category include:

　　6、世界卫生组织将热狗和培根等加工肉制品列为1类物质，即有“充分证据”显示它们可能会导致癌症。此类别中的其他致癌物质包括：

　　Alcohol

　　酒精

　　Asbestos

　　石棉

　　Tobacco smoke

　　烟草烟雾

　　All of the above

　　以上所有

　　7 Obese children who cut their sugar intake showed lower blood pressure and improved cholesterol readings within:

　　7、肥胖儿童减少糖分摄入多久之后，血压会降低，胆固醇水平会得到改善：

　　10 days

　　10天

　　One month

　　一个月

　　Two months

　　两个月

　　Six months

　　六个月

　　8 Sleep apnea has been tied to excess levels of uric acid and may raise the risk of this painful condition:

　　8、睡眠呼吸暂停和尿酸水平过高有关，而且还可能引发哪种疼痛的病症：

　　Shingles

　　带状疱疹

　　Gout

　　痛风

　　Migraine

　　偏头痛

　　Sciatica

　　坐骨神经痛

1 nutrient   

adj.营养的，滋养的；n.营养物，营养品

参考例句：

• Magnesium is the nutrient element in plant growth.镁是植物生长的营养要素。
• The roots transmit moisture and nutrient to the trunk and branches.根将水分和养料输送到干和枝。

2 ambivalent   

adj.含糊不定的；(态度等)矛盾的

参考例句：

• She remained ambivalent about her marriage.她对于自己的婚事仍然拿不定主意。
• Although she professed fear of the Russians,she seemed to have ambivalent feelings toward Philby himself.虽然她承认害怕俄国人，然而她似乎对菲尔比本人有一种矛盾的感情。

3 jeopardize   

vt.危及，损害

参考例句：

• Overworking can jeopardize your health.工作过量可能会危及你的健康。
• If you are rude to the boss it may jeopardize your chances of success.如果你对上司无礼，那就可能断送你成功的机会。

4 extroversion   

n. [心理]外向，[医]外翻 =extraversion

参考例句：

• The contrast between extroversion and introversion is entirely superficial. 在外向和内向之间所作的对比完全是表面的。
• The oft-drawn contrast extroversion and introversion is entirely superficial. 在外向和内向之间通常所作的对比完全是表面的。

5 fraying   

v.（使布、绳等）磨损，磨破( fray的现在分词 )

参考例句：

• The cuffs of his shirt were fraying. 他衬衣的袖口磨破了。
• Support for the leader was fraying at the edges. 对这位领导人的支持已经开始瓦解。 来自《简明英汉词典》

6 chromosome   

n.染色体

参考例句：

• Chromosome material with exhibits of such behaviour is called heterochromatin.表现这种现象的染色体物质叫做异染色质。
• A segment of the chromosome may become lost,resulting in a deletion.染色体的一个片段可能会丢失，结果产生染色体的缺失。

7 pregnancy   

n.怀孕，怀孕期

参考例句：

• Early pregnancy is often accompanied by nausea.怀孕早期常有恶心的现象。
• Smoking during pregnancy increases the risk of miscarriage.怀孕期吸烟会增加流产的危险。