内容正文:
教材精讲练贵州英语(课标版)
第
一
部
分
教
材
重
点
精
讲
练
九年级(上)Unit 2
考点 1 harmful的用法(Topic 1)
In todays worldꎬ almost everyone knows air pollution is harmful to peoples health. 在当今世界ꎬ几
乎每个人都知道空气污染对人们的健康有害ꎮ (P31)
▶harmful是形容词ꎬ意为“有害的”ꎮ 常
见短语:be harmful to 对有害ꎮ
▶harmful 的名词是 harmꎬ意为“伤害ꎬ
损害”ꎮ 常见短语:do harm to = be harmful
to 对有害ꎮ 如:
Smoking does harm to health. = Smoking
is harmful to health. 吸烟有害健康ꎮ
1. 吃太多甜食可能对你的牙齿有害ꎮ
Eating too much sweet food might be
your teeth.
2. This shopping bag is (harm) to the envi ̄
ronment because it is made of plastic.
3. Doctors always advise people to give up smoking.
It does harm peoples health.
考点 2 辨析 createꎬ discoverꎬ invent与 find(2023. 80)(Topic 1)
Burning gasꎬ oil and coal creates air pollution. 燃烧天然气、汽油和煤产生空气污染ꎮ (P33)
辨析 含义及用法
create
意为“创造ꎻ创建”ꎬ指从无到有地创
作出原本不存在的东西ꎬ如艺术品、理
论等ꎮ
discover
意为“发现ꎬ发觉”ꎬ指通过探险或偶
然的机会发现了原本存在的东西ꎮ
invent
意为“发明ꎬ创造”ꎬ指通过科学手段
制造出原本不存在的东西ꎮ
find
意为“找到ꎻ发现”ꎬ表示偶然发现或
经过寻找才找到所需要或丢失的东
西ꎬ强调结果ꎮ
A. find B. invent C. create
D. discovered E. saw
4. If you are lost in the open airꎬ the sun and stars
can help you your way.
5. To a new kind of electric lightꎬ Thomas
Edison did lots of experiments.
6. China is always willing to work with other countries
to a better future together.
7. Many people think there must be life on other
planets though none has been .
考点 3 辨析 rise与 raise(Topic 2)
It causes the levels of oceans to rise and the climate of the earth to change. 它造成了海平面上升和地
球的气候改变ꎮ (P39)
辨析 含义及用法 例句 /示例
rise
(不及物动
词ꎬ不 可 用
于 被 动 语
态 ) ( roseꎬ
risen)
上升ꎮ 强调“某人 /
某物自己站 /升起
来”ꎮ
The sun rises.
太阳升起ꎮ
增长
The price rises.
价格上涨ꎮ
8. 在课堂上ꎬ如果你知道老师问题的答案ꎬ你应该
举手回答ꎮ
In classꎬ if you know the answer to the teachers
questionꎬ you your hand and
answer it.
9. The students in our school sold second ̄hand books