main First Found in American Countries They're in the family of plants that includes morning glories(牵牛花)and are in a different family than yams(山药).Yams are from Africa and are more closely related to lilies(百合花). | A 5000-Year-Old Food When Christopher Columbus arrived in American countries in the 15th century,sweet potatoes were already a main crop.He took some with him back to Spain and by the 16th century,gardens all over Europe were growing them. |
A Healthy Choice White potatoes may be cheaper than sweet potatoes but sweet potatoes have more nutritonal(营养的)value.Also,white potatoes can lead to blood sugar problem and some other health problems. | Health Facts ◆A Rich Source of Beta-Carotene(β-胡萝卜素) This powerful Beta-Carotene gives sweet potatoes their yellow,gold,or orange coloring and changes to vitamin A in your body.It's thought to reduce the risk of certain types of cancer and provide protection against heart disease. ◆High in Fiber(纤维),Low in Fat Sweet potatoes are high in fiber which is great for health.Also,they contain very little fat. |
分析 文章大意:这是一篇说明文,主要介绍了一些关于红薯你可能还不知道的事实.红薯起源于美洲,有5000年的历史,红薯富含β-胡萝卜素和矿物质,红薯富含膳食纤维,对消化大有健康益处.另外,红薯还含有很多营养.
解答 31.答案:C.细节理解题.根据第一个表格First Found in American Countries首次发现于美洲国家.可知,红薯起源于美洲,选C.
32.答案:A.细节理解题.根据第二个表格A 5000-Year-Old Food一个有5000年历史的食物.可知,红薯有五千年历史,选A.
33.答案:D.细节理解题.根据最后一个表格This powerful Beta-Carotene gives sweet potatoes their yellow,gold,or orange coloring and changes to vitamin A in your body.It's thought to reduce the risk of certain types of cancer and provide protection against heart disease.这个强大的β-胡萝卜素给红薯黄色、金色或橙色的颜色,并在你的体内转化成维生素A.有降低患某些癌症风险的功效,并预防心脏病.可知,甘薯对人有益,因为它含有丰富的β-胡萝卜素.选D.
点评 阅读题型,要注重句子与句子之间、段落与段落之间逻辑关系以及对篇章的整体理解.根据所给问题选择正确选项完成试题.
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SCHOOL REPORT | |||
Term:spring | Name:Jim Allen Green | Grade:9 | Age:14 |
Subject | Comments | Grade | |
Chinese | He enjoys writing,but there are always several mistakes in his work.I believe he can do better. | A | |
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