Unit 15 We are trying to save the manatees Period I New words 【学习过程】
I Listen, read and memorize new words. II. Learn to how to use the words:
1. weigh (measure how heavy sth is) 做及物动词，意为“称…重量”He ___________ himself on the bathroom scales everyday. He _________ the stone in his hand. 做不及物动词，意为“称分量”She weighs 60 kilos. 名词为_______________翻译：The average weight of a baby at birth is over seven pounds. _____________________.
2. tiny adj. 意为 very small, 比较级_______, 最高级____________,反义词________and __________
3. urge v. strongly advise sb. to do sth. urge sb. to do sth. / urge that 翻译：我极力劝说他重新考虑我的决定。______________________.
老师劝说学生仔细做作业。____________________________
4. expression 不可数名词：表达，表示，She gave ___________ to her sadness. 可数名词：措辞：”Shut up” is not a polite expression. 5. pull v. (use force on sth. in order to move it towards oneself) 拉，拖，拔 做不及物动词： You push and I’ll pull. ________________. 及物动词：词组：pull sth.
6. society n. 社团，社会 例如He was a member of a drama society. _________________________________.他对社会有害。_____________________________. 7. inspiration n. 灵感（不可数），鼓舞人心的人或事物（可数） 没有灵感我无法写作。_________________________. This woman is an inspiration to all of us.
9. recycle v. 回收利用：纸张可以回收利用。________________ 回收利用对帮助保护我
们的环境很重要。_____________________ adj. recycled paper
单词构成法学习，字首re=again, back
a. Most of the house you see were ____________(重建) after the big fire. b. I seem to _________(回想起) that he was with us at that time. c. I have to _________(背诵) the whole poem.
d. I have received your letter of resignation but I want you to __________(重新考虑)your
decision.
e. Scientists are trying to __________(重新创造)these conditions. f. At the end of the year the company __________(重组)。
10. pollute v. (to make air, water, soil dangerously dirty and not suitable for people to use) 这条小河被脏水污染了。_________________ n. pollution the pollution of …
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