分析 文章大意:主要描述了維生素在我們?nèi)粘3缘氖澄镏屑耙恍┲匾木S生素.
解答 38-41 BCAA
38題答案:B 考查細(xì)節(jié)理解題,根據(jù)文中的第三段One nutrient can not balance the shortage of another.Foods like grains,vegetables,fruits and meats should be eaten daily,because different foods in the child's diet can balance against taking too much or too little of any nutrient.一種營(yíng)養(yǎng)素不能平衡另一種營(yíng)養(yǎng)素的短缺,谷物、蔬菜、水果和肉類等食物應(yīng)每天食用,因?yàn)閮和嬍持械牟煌澄锬芷胶鈹z入矢量的營(yíng)養(yǎng)物質(zhì)可知兒童應(yīng)該吃各種不同的食物,故答案是B.
39題答案:C 考查細(xì)節(jié)理解題,根據(jù)文中的第二段Children usually choose certain foods above the others and often do not eat those with important nutrients(營(yíng)養(yǎng)).Sothough the food they are eating is nutritious,it may not always provide all the nutrients the child needs.One nutrient can not balance the shortage(缺乏) of another.Foods like grains,vegetables,fruits and meats should be eaten daily,because different foods in the child's diet can balance against taking too much or too little of any nutrient兒童通常選擇某些食物高于其他人,往往不吃那些重要的營(yíng)養(yǎng)物質(zhì),所以,雖然他們吃的食物是有營(yíng)養(yǎng)的,它可能并不總是提供所有兒童所需的營(yíng)養(yǎng)物質(zhì).可知他們沒(méi)有正常吃東西時(shí),故答案是C.
40題答案:A 考查細(xì)節(jié)理解題,根據(jù)文中的最后一段Children are greatly in need of vitamin C.If you are 18years of age or younger,you should get 115 millgrams of vitamin C per day.Those over 19 should get 120 milligrams per day.可知每天補(bǔ)充維生素C 和第五段Vitamin C in oranges helps your body heal if you get a cut.可知桔子含維生素C,故答案是A.
41題答案:A 主旨題,根據(jù)文中的第一段Vitamins are stored in foods we eat.The kids are udner great need of vitamins for growth.維生素存在我們吃的食物.孩子對(duì)維生素有巨大的需要,故答案是A.
點(diǎn)評(píng) 本文是一篇健康環(huán)保類閱讀,題目涉及多道細(xì)節(jié)理解題,做題時(shí)結(jié)合原文和題目有針對(duì) 性找出相關(guān)語(yǔ)句進(jìn)行仔細(xì)分析,結(jié)合選項(xiàng)選出正確答案.推理判斷也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確的答案.
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