2018-2019学年高考英语一轮复习 Unit 21 Human Biology高考试卷分块专练 北师大版选修7.doc

1、【 精品教育资源文库 】 Unit 21 Human Biology 高考试卷分块专练 练 一 阅读理解提速练 限时 35分钟 第一节 (共 15 小题；每小题 2 分，满分 30 分 ) A (2018 张家界模拟 ) Planning to go to a gym? If you are one of those who have spent many days planning to join a gym or to attend it regularly, then why not choose some home exercises? Here are some home exer

2、cises without equipment. Jumping jacks This one is the best home workout without weights, which is a great exercise that will work your hands and legs. Perform this exercise by standing with your feet placed together and arms at your sides. Now tuck in your abs (收腹 ) and jump by bending your knees.

3、At the same time, move your feet apart as much as you can and raise your hands to bring into line with your shoulders. While you come back you must be in a starting position, feet together, hands at sides and knees bent. You must land on your heels and again jump. Jogging Jogging is one of the best

4、home exercises without weights. You dont need to have a lawn or jogging track at home to perform this exercise. There are many benefits of jogging. It will work your entire legs. Moreover, it is a classic cardiovascular (心血管的 ) workout. Make sure you wear jogging footwear even if you are jogging at

5、home to avoid any stress on your feet. Also, you can gradually increase the jogging time and speed. Rotating (旋转 ) exercise Start by rotating your wrists, clockwise (顺时针方向地 ) and anticlockwise. Now, alternately rotate your feet in the same fashion. Now place both your hands on the shoulders and star

6、t rotating your shoulders clockwise and anticlockwise. Place an exercise mat and lie flat on your back. Now lift your left leg and rotate it clockwise; do not bend your knees. Now rest the left leg, lift your right leg and rotate it 【 精品教育资源文库 】 anticlockwise. It is necessary to set a perfect mood

7、for exercise which will help you stick to the exercise routine and excitement. Make sure you wear proper exercise clothes to perform the workout with ease. Also, putting on your favorite music will make your exercise session more lively. If you get bored with exercises, just dance, after all its als

8、o one of the best home exercises. 语篇解读：本文介绍了几种在家锻炼的方法及具体步骤。 21 While jogging at home, you _. A may exercise your body entirely B had better choose a pair of proper shoes C should find a space as the jogging track first D must stick to a fixed time and speed 解析：选 B 细节理解题。根据 Jogging 部分的第六句 “Make sure

9、you wear jogging footwear even if you are jogging at home to avoid any stress on your feet.” 可知，在家中慢跑时也要确保穿慢跑鞋，以免给脚施加压力。故选 B 项。 22 What is the right order of your body parts to move during rotating exercise? A Hands legs back legs. B Wrists hands feet shoulders. C Wrists feet shoulders legs. D Hands

10、 shoulders knees legs. 解析：选 C 细节理解题。由 Rotating exercise 部分的 “Start by rotating your wrists . Now, alternately rotate your feet . and start rotating your shoulders . Now lift your left leg” 可知，顺序为手腕、脚、肩、腿，故选 C 项。 23 To carry out home exercises continuously, you need_. A a good mood and atmosphere B a

11、 good coach C a professional teacher D a good timer 解 析：选 A 细节理解题。由最后一段中的 “It is necessary to set a perfect mood for exercise . Make sure you wear proper exercise clothes . putting on your favorite music .” 可知，坚持在家锻炼需要好的情绪和气氛，故选 A 项。 B One in four children younger than age five who were infected wit

12、h Salmonella (沙门氏菌 ) got the disease from a reptile (爬行类动物 ) pet in a recent UK study. The children with reptileassociated infections were obviously younger than 【 精品教育资源文库 】 other kids with Salmonella infections, more likely to be hospitalized and more likely to have invasive (扩散性的 ) infections th

13、at affected the blood or brain. “In a household with both young babies and reptiles as pets, there is good reason to exercise reasonable caution， ” Dr. Daniel Murphy of Royal Cornwall Hospital in England told Reuters Health by email. Salmonella is a type of bacterium most often linked with food pois

14、oning, and generally causes symptoms such as nausea (反胃，恶心 ) and vomiting.However, noted Murphy, who led the new study, more serious cases can cause blood poisoning, meningitis (脑膜炎 ) and bone infection. According to the Centers for Disease Control and Prevention, 1.2 million Americans are infected

15、with Salmonella every year. People with compromised (缺乏抵抗力的 ) immune systems, as well as young children and babies are the most susceptible to infection, according to Dr. Christoph Berger of the University Childrens Hospital Zurich in Switzerland, who was not involved in the study. Murphy and anothe

16、r researcher used data on Salmonella infections in children under five years old in the South West area of the UK from 2010 to 2013. They examined the records to determine whether the infected child had been exposed to reptiles like lizards or snakes and whether he or she had been hospitalized for t

17、he infection. Of the 175 cases examined, 48 children had been exposed to reptiles. Among those with reptile exposure, about half were hospitalizedcompared to less than one fifth of the children without reptile exposure. The median age of kids with Salmonella cases linked to reptiles was six months o

18、ld, compared to about one year among kids not exposed to reptiles. Murphy recommends that parents of young children with indoor reptile pets should consider restricting the reptiles access to the same spaces the child uses. 语篇解读：本文是一篇说明文。文章主要报道了研究者关于 “ 五岁以下儿童接触爬行类动物易感染沙门氏菌 ” 这一 研究情况。 24 Compared wit

19、h older kids, younger ones with reptileassociated infections more likely_. A dislike keeping pets at home B get uninterested with Salmonella C need medical treatment in hospital D prevent infections that affect the blood or brain 【 精品教育资源文库 】 解析：选 C 细节理解题。根据第二段可知，遭受与爬行类动物有关的感染的孩子要比其他感染沙门氏菌的孩子年龄更小，更

20、可能需要住院治疗，更可能遭受影响血液与大脑的扩散性感染。故选 C。 25 Paragraph 4 is mainly about_. A the shape of Salmonella B the types of bacterium C the harm of Salmonella D the cause of food poisoning 解析：选 C 段落大意题。通读第四段可 知，本段主要解释了沙门氏菌引起的危害：恶心、呕吐，严重时还会引起败血症、脑膜炎和骨感染。故选 C。 26 It can be inferred from Paragraph 6 that_. A only liza

21、rds and snakes belong to reptiles B the result of the research is likely to be reliable C Salmonella infections only occur in the UK D Murphy and another researcher didnt work hard 解析：选 B 推理判断题。根据第六段的内容可知， Murphy 和同伴使用了 2010 年到 2013年间英国西南地区五岁以下儿童感染沙门氏菌的数据记录，并通过仔细检测才得出了研究结果，因此可以说：这个结果理应可靠。故选 B。 27 Of

22、 the 175 cases examined, how many kids with reptile exposure were hospitalized? A All of them. B Fortyeight. C About thirtyseven. D About twentyfour. 解析：选 D 数字计算题。根据倒数第二段第一、二句可知，接触爬行类动物的 48 个孩子中大约一半住院治疗了，所以其人数约为 24 个。故选 D。 C (2018 长春普通中学模拟 )He had more than 160 reports as a reporter on the Metro des

23、k and more than 170 in 19 months as a national journalist based in Kansas City, Mo. But perhaps the most important piece of writing that A. G. Sulzberger did for The New York Times before Wednesday when he was named deputy publisher was not an article and was not published in The Times, but was all about The Times. That work came to be known as the “innovation ( 创新 ) report” ， which zeroed in on the importance of a digital future for the