2024年4月3日发(作者：)
1．harm n
．
& vt.伤害，损害→harmful adj.有害的→harmless adj.无害的
2．long adj.长的，长时间的→length n
．
长，长度；时间的长短；篇幅，(电
影)片长
3．survive vi.生存，存活vt.幸存，幸免于难→survival n
．
残存物；幸存事物
→survivor n
．
幸存者；生还者
4．disappear vi.不复存在，灭绝，消亡；消失；失踪→disappearance n
．
消失；
失踪
5．agriculture n
．
农业，农学→agricultural adj.农业的
1．variety n
．
不同种类；变化，多样性；变种，变体
①I was impressed by the variety of dishes on offer. 不同种类
②When preparing meals, we need to think about variety and taste as well as
nutritional value.
③Apples come in a great many varieties.
变化，多样性
变种，变体
2．living adj.活着的，活的；在使用的 n
．
生计，谋生；生活方式
①She earns her living as a part-time tutor. 生计
②Chinese is one of the most beautiful languages that is living in the world.在使
用的
③He is the finest living pianist that I have ever seen.
Words and Phrases
知识要点1 harm n
．
& vt.伤害，损害
(教材P
1
)The human race has done much harm.
人类已经造成了许多危害。
[例1] What should be done to punish people who do harm to the animals?
应该做些什么来惩罚那些伤害动物的人呢？
活着的
[例2] Too much direct sunlight will harm the plants.
过多的阳光直射会损害植物。
[造句] 他们对热带雨林造成了严重危害。
They did serious harm to tropical rainforest.
[知识拓展]
(1)do sb./＝do harm to sb./sth.
There is no harm in doing sth.
(2)harmful adj.
be
(3)harmless adj.
[即学即练] 单句语法填空
①Walking in the air full of smog is harmful(harm) to us.
②Drinking too much does harm to your health.
③There is no harm in saying(say) sorry to him first.
④We all know that smoking does(do) harm to our health.
知识要点2 variety n
．
不同种类；变化，多样性；变种，变体
(教材P
3
)The forest's different levels support an unbelievable variety of
wildlife.
雨林的不同层次使种类多到难以置信的野生动植物得以生存。
[例1] We all need variety in our diet.
我们都需要饮食多样化。
[例2] I'm always pleased to try out a new variety.
我一直乐于尝试新品种。
[造句] 我们有各种款式和尺码的货品。
We stock a wide variety of styles and sizes.
[知识拓展]
(1)a variety of＝varieties of
(2)vary v.
各种各样的；不同种类的
变化多；变化；使多样化
对……有害
做某事并无害处。
有害的
对……有害
无害的
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