内容正文:
必修三 第一单元单词学案
1.harm n.&vt. 伤害,损害
do sb./sth. harm = do harm to... 对……有害
do sb./sth. good = do good to... 对……有好处
do sb./sth. wrong = do wrong to... 冤枉某人
Excessive drinking will do you a lot of harm. 饮酒过度非常不利于健康。
What he did ____________________________. 他的所作所为损害了他的形象
harm one's reputation/image 损害某人的声誉/形象
What he did __________________________. 他的所作所为损害了他的形象。
be harmful to... 对……有害
be harmless to... 对……无害
__________ can _______________ the health of your children. 你吸烟对你的孩子们的健康有害
.单句语法填空
(1). Staring at the screen of the computer for a long time will do harm ________ your eyes.
(2). Scientists do not know how much and what kinds of noises are ___________ (harm)to ocean animals.
(3). The treatment did him more_________ than good, though the doctor insisted it was __________ .(harm)
2.soil n. 土壤;国土,领土,土地
3.ecosystem n. 生态系统
4.overseas adj. / adv. 海外的,国外的
overseas students/markets 海外留学生/市场
overseas Chinese 海外华人
live overseas/go overseas 在国外生活/出国
He has returned to South Africa __________________________.
他结束了漫长的海外旅行回到南非。
If you're staying for more than three months or ___________________, a full 10-year passport is required.
在国外工作或居留3个月以上,需要持10年期的护照。
5.region n. 地区,区域;行政区
in the region of (表示不确切的数字等)大约,差不多 同义词: approximately
We divide into pairs and each pair takes a region 我们分成两人一组,每一组负责一个区域。
He earns somewhere ________________________$50000. 他每年大约赚5万美元。
6.continent n. 大陆,陆地,洲
continental adj.大陆的,洲的
the South American continent 南美大陆
7.million n. 一百万;许多,大量
It is reported that several million people are starving in the world because of the shortage of food.
millions of 数百万
6 million 六百万
one in a million 万里挑一的人/物;不同寻常的人/物
学法点拨:
(1).当hundred, thousand, million, billion 以及dozen, score等以复数形式存在时,表示泛指的数量,其后要加of,但前面不能用表示具体数量的词修饰。
(2).当hundred, thousand, million, billion以及dozen, score等以单数形式存在时,其前常用表示具体数量的词或several, some, many, a few等修饰。
巩固练习
①. The local government brought in ______________