1、【 精品教育资源文库 】 Unit 5 First aid 重点单词 1 temporary adj.暂时的；临时的 2 choke vi. its difficult to tell the difference between them. 这对双胞胎长得太像了，很难分辨出来。 【 精品教育资源文库 】 if necessary 如有必要 Remove clothing using scissors if necessary unless it is stuck to the burn.(教材 P34) 除非衣服粘贴在烧伤面上，否则就要把衣服脱掉。如果需要的话，可以使用剪刀。 【句式点拨
2、】 本句中的 if necessary 是状语从句的省略，目的是使语言简洁或避免重复。 在以 if, when, though, as, as if 等连词引导的从句中，当从句的主语与主句的主语一致或者从句主语为 it，且从句谓语部分是 be 动词时，可省去 “ 主语 be” 部分。 If necessary, we shall send a telegram home. 如有必要，我们就往家里发电报。 Video gam es can be a poor influence if left (leave) in the wrong hands. 如果落在不合适的人的手中，电子游戏就会有一个很
3、坏的影响。 Whenever possible, he will come to my help. 一有机会他就来帮助我。 While cycling, dont forget the traffic lights. 骑车时，不要忘记看红绿灯。 When asked to dance, she said she couldnt. 被邀请跳舞时，她说她不会跳。 Though tired, they went on working. 虽然累了，但他们仍继续工作。 . 品句填词 (用所给词的恰当形式或根据语境写一个合适的词 ) 1 The expert has a language barrier
4、in attending such an important meeting, but he should be praised for his bravery (brave). 2 First aid is a form of help that is temporarily (temporary) given to someone who suddenly falls ill or gets injured before a doctor can be found. 3 Her son is lying in bed, feeling pain, because he got injure
5、d with his right foot severely swollen (swell). 4 His father and mother were both killed within one day, leaving him unbearable (bear) hurt and pain for years. 5 The boy was badly bleeding. His deskmate gave him first aid immediately 【 精品教育资源文库 】 applying pressure to the wounded areas. 6 He emphasi
6、zed that in this kind of recession, it is vital that government (should)_take (take) the lead. 7 We will have a picnic in the park this Sunday unless it rains or its very cold. 8 Detective Jones said that the victim was attacked with a knife and bled (bleed) to death as a result. 9 The government ur
7、ged people to stay near their workplaces rather than risk a long walk home, as highways leading out of the city center were_choked (choke) and hotels rapidly filled up. 10 While pressure is often seen as a bad thing, if used (use) properly, it can actually be a good thing. . 单句改错 (含本单元的词汇和语法 ) 1 Our
8、 different views of life made no differencesdifferenceat all to our friendship. 2 The teacher treated each of the children fortoan ice cream. 3 They had just covered three miles whilewhenthey realized they had left their IDs at home. 4 There is no doubt whetherthatit is necessary to know some knowle
9、dge of first aid as dangers lie everywhere and accidents happen from time to time. 5 The doctor advised her to eat more bean products in the place of meat which might be harmful to her heart. 6 What the volunteers did made agreat difference to the children in the small village. 7 Though I told him o
10、ver and over again to be careful when drivendriving， he wouldnt listen. 8 Whats worse, some drivers, cyclists and pedestrians do not think it vital toobey traffic rules. 9 Carbon dioxide prevents heat fromgetting out of the atmosphere easily, so the earth is becoming warmer. 【 精品教育资源文库 】 10 The mom
11、ent he saw the poor girl on TV, he determined to aid her incontinuing her study. . 课文语法填空 You have three layers of skin, which act 1 as a barrier against damage. The complex functions of your skin are 2 to_keep (keep) you warm or cool, and prevent your body from 3 losing (lose) too much water. If yo
12、ur skin gets burned, first aid is a very important first step in the 4 treatment (treat) of burns. You may get burned by a 5 variety (vary) of things: hot liquids, steam, fire, radiation, the sun, electricity or chemicals. There are three types of burns 6 depending (depend) on which layers of the sk
13、in are burned. If you touch a hot pan, stove or iron for a moment, you will get first degree burns. The burns may affect the top layer of the skin. You can place cool, clean, wet cloths on them 7 until the pain is not so bad. If hot liquids pour on you, you will get second degree burns. You can keep
14、 cloths cool by putting them back in a basin of cold water, 8 squeezing (squeeze) them out and placing them on the burned area over and over again. If the burns 9 are_caused (cause) by electric shocks, burning clothes, or severe petrol fires, you may get third degree burns. 10 It is vital to get you
15、rself sent to the doctor or hospital immediately. . 阅读理解 A (2018 广西师大附属外校高三模拟 )Every day, people come into contact with thousands of chemicals. These chemicals are said to be harmless to human health. In fact, the chemicals are considered so safe that we wash with them. We put them on our bodies and
16、 even our faces. Other chemical products are used throughout our homes. By the time you walk out of your front door, you have already been exposed to thousands of chemicals. On its own, each chemical seems harmless. But in combination with other chemicals, they may become deadly. That is the finding
17、 of a twoyear study by a highprofile(高调的 ) task force of scientists. The task force was told to investigate the 【 精品教育资源文库 】 cancercausing possibility of chemical mixtures. Linda Gulliver was one of the 174 scientists on the task force. Their job was to study the cancercausing potential of 85 chemi
18、cals. All 85 are said to be common in the environment. Ms Gulliver explains that chemicals have the potential or ability to form dangerous mixtures. Even simple minerals can become dangerous when mixed with chemicals found in plastics or beauty products. Working in groups, the scientists explored ho
19、w different chemical mixtures could lead to cancer. Ms Gullivers team looked at the ability of different combinations to support the increase of malignant(恶性的 ) human cells. She says the current way to identify whether chemicals cause cancer is to test them one at a time. This method leads, she adds
20、, to a long list of supposedly “safe” chemicals. She and her team say that approach needs to change. “We definitely need certain research?to find out what mixtures of chemicals would be more harmful than others; what groups of chemicals, when together, would produce more harmful effects. And at the
21、moment, that is not known.” An estimated one in five cancers has been linked to chemical exposure. It may turn out that the cancercausing villain(恶棍 ) is not a single chemical at all. 语篇导读 本文为科普说明文，揭示了多种安全的化学物质相混或成致癌物。 1 What effect may one single chemical have on us according to the text? A It may
22、destroy our body. B It may not cause danger to us. C It may let us suffer from cancer. D It may let our body make a change. 解析 B 细节理解题。根据第三段第一句可知，一种化学物质可能不会对我们造成危害，故选 B 项。 2 What can we learn about Ms Gullivers research? A She has found 85 cancercausing chemicals. B She has found reasons for five ki
23、nds of cancers. C She has found that only one chemical can cause cancer. D She is not sure what mixtures of chemicals are more harmful. 解析 D 细节理解 题。根据倒数第二段可知，格利佛也不确定哪一种化学物质的混合物更具危害，故选 D 项。 3 According to the text, we can infer that the study _. 【 精品教育资源文库 】 A is just wasting time and money B is still in need of great efforts C will cause panic in public D will be resisted by the public 解析 B 推理判断题。根据倒数第二 段可以推知，这项研究仍需要很大的努力，故选 B项。 4 What is the best title for the text? A
