1、【 精品教育资源文库 】 Unit 5 Canada “The True North” 李仕才 一、阅读理解。 (2018 辽宁五校联考 )In the dead of winter, we don t typically think about spending time outdoors, but according to many physicians we should.The sun is our greatest source of a vitamin that is essential for good health Vitamin D This important vitam
2、in strengthens bones and teeth and is linked to the prevention of heart disease, cancer and many other lifethreatening diseases.The recommended daily requirement is 400 600 International Units (IU). In summer, people with dark brown eyes and darker skin turn sunlight from just 15 minutes outside wit
3、hout sunscreen into adequate amounts of Vitamin D Even during winter, just a 10minute walk at midday can keep the body s Vitamin D at healthy levels.During brief winter walks, we receive the greatest benefits when we wear no sunscreen and expose as much skin to the sun as possible. Vitamin D can be
4、also obtained from foods.Salmon is one of the best sources of the Vitamin.Egg yolks(蛋黄 ), cheese, mushrooms and some animal organs contain smaller quantities of it. To attract consumers, food companies add Vitamin D to some of their milk products.The practice of putting the Vitamin into milk began i
5、n the 1930s.At that time, many children were suffering from rickets, an illness that is caused by a deficiency(缺乏 )of Vitamin D It made the childrens bones soft and weak.Adding Vitamin D to milk helped to solve the problem, and it has been available ever since. For people who still need more Vitamin
6、 D, there is another option; Take Vitamin D supplements(补充物 ) These products are widely sold in stores.However, anyone considering taking supplements should consult a physician first. 【解题导语】 本文是一篇科普文 , 主要介绍了维生素 D 的一些 情况。 1 During the winter months, people_ 【 精品教育资源文库 】 A aren t able to meet their d
7、eadlines B often don t dress warmly enough C generally like to remain indoors D leave lots of work for others to do C 解析:细节理解题。根 据第一段中的“ In the dead of winter, we don t typically think about spending time outdoors, but according to many physicians we should.” 可知 ,在冬天人们愿意待在室内。 2 According to the text
8、, Vitamin D_ A can be obtained by being exposed to the sun B can be used to cure lifethreatening diseases C can be mainly found in some milk products D can make the children s bones soft and weak A 解析:细节理解题。根据第一段第二句以及第三段 第一句可知 , 维生素 D 可以通过晒太阳获得 , 故选 A。 3 Why is salmon mentioned in this article? A It
9、 s seldom prepared in the correct way. B It s a useful addition to a persons diet. C It has a huge impact on the environment. D Its advantages have been exaggerated. B 解析:推理判断题。根据第四段可 知 , 三文鱼是补充维生素 D 的食物 , 因此对我们的饮食是有用的补充物 , 故选 B。 4 The main purpose of this article is _ A to introduce a valuable nutr
10、ient B to advertise Vitamin D supplements C to note risks associated with a nutrient D to explain how a nutrient was discovered A 解析: 写作意图题。根据全文可知 , 本文主要介绍一种营养成分 维生素 D。 二、 单句语法填空 1 After the typhoon, people found some tall trees, (measure) more than 10 meters, lying on the ground. 答案: measuring 2 I
11、live nearby. My house is within walking (distant) of the university. 答案: distance 3 (2016 天津卷书面表达 )Your art skills are excellent and admirable, which leaves 【 精品教育资源文库 】 me a deep (impress) 答案: impression 4 The moment he caught sight the police, the thief ran away as fast as he could. 答案: of 5 He w
12、as listening attentively in class, his eyes (fix) on the blackboard. 答案: fixed 6 Have you finished the report? Oh, sorry. It was so noisy in the office that I couldn t settle to writing anything. 答案: down 7 (surround) by the sea on three sides, modern Qingdao is considered one of the most livable ci
13、ties in China. 答案: Surrounded 8 It saves time in the kitchen to have things you use a lot easy reach. 答案: within 9 Though we left home very late, we managed (catch) the last bus. 答案: to catch 10 He didn t realize the love we have for our families is important he went through real hardship. 答案: until
14、 三、完形填空。 (2018 长沙模拟 )There was once a widow who had two daughters.The 1 widow loved the elder who was like herself both in looks and personality, but didn t love the other, who resembled her 2 , although she was pretty and friendly. The younger daughter had to 3 hard all day and live upon the leftov
15、ers of her elder sister.Among her other 4 jobs, she was forced to carry water every day 5 One day 6 she had just filled her pot at the fountain, an old trembling woman asked her for a drink of water.Glad to show a kindness to the old woman, she 7 Now, all of a sudden, there was no old trembling woma
16、n but a(n) 8 who rewarded good deeds before her.“Your face is pretty 9 your heart is gentle,” she said.“ For your kindness, I will make you a gift.Every time you speak, from your mouth shall come a flower or a jewel.” When the girl reached home, her ill mother 10 her for her long absence.“Pardon me
17、for being away so long,” she replied.As she spoke some pearls and diamonds dropped from her 11 【 精品教育资源文库 】 “ What is this I see, child? ” asked the 12 widow. The poor girl was so happy to be 13 child by her mother that she eagerly told her mother about her 14 with the old woman at the fountain.The
18、 widow immediately 15 her favorite daughter to do as the 16 girl had done. When the impatient girl was filling the pot with water at the 17 , a beautiful lady appeared and 18 a drink of water from the girl. “ I have not come here to serve you, ” she 19 replied. The lady, who was the fairy, said,“ I
19、will make you a gift to 20 your rudeness.Every time you speak, from your mouth shall come a snake or a toad(蟾蜍 ) ” 【解题导语】 本文主要讲述了两个性格和外表不同的姐妹对给予他人帮助的不同反应及她们得到的相应的结果 , 彰显了善有善报的道理。 1 A.goodtempered B badtempered C kind D beautiful B 解析:根据下文中的 “her ill mother” 并结合下文她训斥小女儿可推知 , 她脾气不好。 2 A.daughter B tea
20、cher C mother D father D 解析:根据语境中的转折可知 , 此处与 “herself” 形成对比。小女儿不像她而是像父亲。 3 A.complain B play C work D study C 解析:根据下文中的 “Among her other jobs, she was forced to carry water every day ” 并结合 “live upon the leftovers of her elder sister ” 可推知 ,小女儿整天要做许多工作 , 靠吃姐姐的剩饭菜生活。 4 A.easy B hard C interesting D b
21、oring B 解析:根据上文中的 “The younger daughter had to hard all day” 可推知 ,小女儿的工作都很辛苦 , 很累人。 5 A.within reach B with ease 【 精品教育资源文库 】 C without hesitation D from a great distance D 解析:根据本段的整体内容可知 , 小女儿过得很艰难。由 “she was forced to carry water every day” 可推知 , 小女儿还得每天从很远的地方挑水 , 这与其艰难的生活境况呼应 。 6 A.when B while
22、C once D before A 解析:此处应用 when 引导定语从句 , 在从句中作时间状语 , 修饰先行词 One day。 7 A.hesitated B agreed C left D argued B 解析:根据空前的 “Glad to show a kindness to the old woman” 可推知 , 小女儿答应了老妇人的请求。 8 A.boy B old woman C old man D fairy D 解析 : 根据下文的 “The lady, who was the fairy” 可推知 , 老妇人是仙女变过来的。 9 A.although B but C while D and D 解析:根据语境可知 , 空处前后句表示逻辑上的并列关系 , 故选 D。 10 A.scolded B praised C thanked D forgave A 解析:与 “her ill mother” 和 “her lon
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