Unit 1 Nature in the balance 核心词汇 1. ① harmful ② harmless ③ that eating too much junk food is harmful to/does harm to our health 2. ① length ② at ③ lengthening ④ His latest novel is twice the length of his previous one. /His latest novel is twice as long as his previous one. 3. ① various ② variety ③ varying ④ There were a wide variety of acts, most of which were singing and dancing. 4. ① on ② survivors ③ survival ④ survived; her survival was a wonder; the only survivor of the disaster 5. ① by ② to get ③ took turns to drive the car ④ in turn; whose welfare depends on tourism 6. ① Three astronauts are due to arrive at ② Partly due to pollution caused by ship traffic and other human activities 7. ① dying out at an alarming rate; species are becoming extinct every day ② Wildlife extinction is not a process that gives you time to fix your mistakes. ③ In order to save this species from extinction, the Chinese government placed it under national protection. 8. ① damaged ② to ③ causing severe damage to crops 9. ① build up in the atmosphere ② build up our body; will be held in our school stadium 10. ① coming up with ② put up with ③ keeping up with ④ end up with ⑤ to come up with the idea to solve the problem 11. ① called for ② call on ③ calling; up ④ call off ⑤ Some call for the application of modern technology, and others a change of lifestyle. 12. ① applications ② for ③ applicants ④ to treat ⑤ who had applied for this position; because he was good at working with others 13. ① defence ② defend ③ who died in defence of our country 14. ① processing ② processed ③ to look back on the process; where improvements are still needed 15. ① Consequently ② consequences ③ consequent ④ As a consequence, they can't concentrate on their study 一词多义 1. ① B ② A ③ E ④ C ⑤ D 2. ① D ② C ③ B ④ A 3. ① A ② C ③ D ④ E ⑤ B 4. ① B ② A 5. ① D ② A ③ E ④ C ⑤ B 6. ① A ② C ③ B 重难句式 1. ① what ② that ③ He has a large house in the suburb, which is twice the size of mine. /He has a large house in the suburb, which is twice as big as mine. 2. ① I met an old friend of mine while waiting for a bus. ② Cloning plants is straightforward while cloning animals is very complicated. ③ While I admit he has many shortcomings, he also has many strengths.(
课件网) 必修 第三册 Unit 1 Nature in the balance 核心词汇 ①harm sb. 伤害某人 ②do/cause harm to 伤害 ③harmful adj. 有害的 be harmful to 对……有害 ④harmless adj. 无害的 1 harm /hɑ m/ n. & vt. 伤害，损害 [先讲解] 【写作金句】[外研选必三U6P90]She believed that the chemical industry was knowingly causing harm to plants, animals and even humans, and wished to see pesticides used in a more responsible, limited and carefully monitored way. 她认为化学工业有意对植物、动物甚至人类造成伤害，希望看到以更负责任、更有限和更仔细监督的方式使用 ... ...
