Vitamin A helps to protect skin from becoming dry.It is also helpful to the eyes.Without vitamin A,you cannot see well in darkness.Vitamin A is found in animal liver and yellow part of eggs.Sweet potatoes,carrots and other dark colored fruit and vegetables have something that the body can change into vitamin A. |
Vitamin B changes foods into energy and helps the heart and nervous system (神经系统) to work smoothly.Without it,we will be weak and will not grow.It is found in grains and other foods like beans,nuts,meat and fish. Vitamin B helps to produce red blood cells.It is found in foods like eggs,meat,fish,milk and green leafy vegetables. |
Vitamin C is needed for strong bones and teeth,and for healthy blood vessels (血管).It also helps wounds to heal (愈合) quickly.The body stores little vitamin C,so we must get it in foods like oranges,and cabbage. |
Vitamin D increases the levels of calcium (钙) in the blood.Calcium is needed for verve and muscle (肌肉) cells to work normally,as well as to build strong bones.Fish liver oil has vitamin D.In some countries,milk producers add vitamin D to milk so that it will be good for children. |
分析 这篇短文讲的是不同的食物含有不同的维生素,文中主要介绍了几种维生素的作用及富含它们的食物.
解答 31-35:ACABD
31题答案:A 细节理解题.根据文中第一行信息Without vitamin A,you cannot see well in darkness.可知没有维生素A我们在黑暗中就看不清,故选A.
32题答案:C 细节理解题.根据文中第二行信息It is found in grains and other foods like beans,nuts,meat and fish.可知它被发现在谷物和其他食物,如豆类,坚果,肉类和鱼类.此题的答案是C.
33题答案:A 细节理解题.根据文中第三行信息Vitamin C is needed for strong bones and teeth,and for healthy blood vessels (血管).It also helps wounds to heal (愈合) quickly.可知维生素C对健康的血管有好处,故选A.
34题答案:B 细节理解题.根据文中第四行信息 Vitamin D increases the levels of calcium (钙) in the blood.可知一些牛奶商向牛奶中加维生素D是为了帮助儿童获得足够的钙,故选B.
35题答案:D 推理判断题.第一行Vitamin A helps to protect skin from becoming dry.维生素A有助于防止皮肤干燥.第二行Vitamin B changes foods into energy and helps the heart and nervous system (神经系统) to work smoothly.维生素B将食物转变成能量,帮助心脏和神经系统平稳工作.第三行Vitamin C is needed for strong bones and teeth,and for healthy blood vessels (血管)维生素C需要强壮的骨骼和牙齿,以及健康的血管.第四行Vitamin D increases the levels of calcium (钙) in the blood.维生素D增加血液中钙的含量.由此可以推断出:不同的维生素在不同的方面帮助我们,所以选择D.
点评 本文是一篇日常生活类阅读,题目涉及多道细节理解题,做题时结合原文和题目有针对 性找出相关语句进行仔细分析,结合选项选出正确答案.推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案.
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