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Unit4清单
一、词组、短语归纳
take exams
进行考试
float away into space
漂入太空中
help sb. with sth. = help sb. (to) do sth.
帮助某人做某事
be willing to do sth.
愿意做某事
life on Mars
火星上的生活
get to my food
够到我的食物
at the moment = at present = now
目前；现在
be connected to …
被连接到……
prepare to do sth.
准备做某事
get ill from living there
因住在那里而生病
travel in space
在太空旅行
first of all
首先
in many ways
在许多方面
make sb. feel very ill
使某人感到非常难受
be cared for = be taken care of = be looked after
被照顾；照料
in the form of pills
呈现药片的形状
make sb. calm down
使某人镇定下来
life on Mars
火星上的生活
travel at half the speed of light
以光速的一半运行
connect A to B
将A连接到B上面
have sth. done
请某人做某事（让某事被做）
under the control of computers
在电脑的控制下
be able to do sth.
能够做某事
be afraid of doing sth. = be afraid to do sth.
害怕做某事
compared with life on Earth
与地球上的生活相比
in the solar system
在太阳系里
a guide to living on Mars in 2100
2100年火星生活指南
get about M$10 for every ￥1
每一元兑换10火星圆
be fixed to the walls
固定在墙上
be worth doing sth.
值得做某事
keep/stop/prevent sb. from doing sth.
阻止某人做某事
keep these animals away with laser light
用激光使这些动物远离
help sb. with sth. = help sb. (to) do sth.
帮助某人做某事
make this dream become true
使这人梦想成为现实
be sure/certain to do sth.
确信做某事；有把握做某事
take off
起飞
at the speed of …
以…….速度
be sure/certain of
确信某事；对某事有把握
float in the air
飘浮在空中
make this dream come true
使梦想成真
have/make/let sb. do sth.
让某人做某事
one-half the diameter of Earth
地球直径的一半
get ill from living there
因住在那里而生病
take the place of …
代替……
do harm to sb. = harm sb.
伤害某人
do harm to sth. = harm sth.
损伤某物
dried food
压缩食品；干缩食品
the journey to Mars
去火星的旅行
become more and more crowded
变得越来越拥挤
provide sb. with sth. = provide sth. for sb.
提供某物给某人
in some ways
在某些方面
the first to live on Mars
第一个住在火星上的人
prefer to do sth.
更喜欢做某事
keep sb. away from …
让某人远离…….
make this dream become true
使这人梦想成为现实
at half the speed of light
以二分之一光速
run over
匆匆浏览；快速阅读
take high-quality images
拍高质量的图片
start with… = begin with…
以…….开始
It takes sb. some time to do sth.
花费某人一些时间做某事
worry about (doing) sth. = be worried about (doing) sth.
担心（做某事）
be sure/certain _+ that 宾从
确信某事；对某事有把握
keep/stop/prevent sb. from doing sth.
阻止某人做某事
in the form of pills
以药片的形式
space sleeping bag
太空睡袋
the least important
最不重要的
the population is still increasing quickly
人口仍然增长快速
take off
起飞
three-eighths
八分之三
somewhere quiet
某个安静的地方
have lots of memory space
有许多存储空间
be stored for many months
被储存很多个月
prefer to do sth.
更喜欢做某事
be worth = cost
值
make sb. calm down
使某人镇定下来
be connected to …
被连接到……
travel at half the speed of light
以光速的一半运行
make sb. feel very ill
使某人感到非常难受
in some ways
在某些方面
二、知识点
重点单词用法
tasty
adj. 味道好的 == delicious
比较级：tastier
最高级：tastiest
taste n. 味道
→ adj. tasteless 无味的；无鉴赏力的
tasteful 有滋味的；有品位的；雅观的
specially
adv. 专门地，特地
→special adj. 特殊的，特别的
compare
vt. & vi. 比较
① compare...with... 意为“把...与...比较”。
② compare...to... 意为“把...比作...”。
agreement
n. 一致，同意
→agree v. 同意
be in agreement == agree 同意
possibility
n. 可能性
→possible adj. 可能的 → 反义词：impossible
stranger
n. 外来者，陌生人
→strange adj. 奇怪的
polluted
adj. 被污染的
pollute v. 污染
pollution n. 污染
increase
v. & n. 增加，增长
rapid
adj. 快的，迅速的
→ rapidly adv. 快地，迅速地
uncomfortable
adj. 使人不舒服的，不舒适的
反义词：comfortable adj. 使人舒服的, 舒适的
三、核心语法
1. 含有状语从句的复合句与简单句之间的转换
He learnt to swim when he was eight years old.
→ He learnt to swim at the age of eight.
He could not go to the party because he had too much homework.
→ He could not go to the party because of too much homework.
He cannot solve this problem if he has no help.
→ He cannot solve this problem without help.
2. 含有宾语从句的复合句与简单句之间的转换
The photos remind me that I travelled to the UK five years ago.
→ The photos remind me of my trip to the UK five years ago.
Are you certain that Tom is satisfied with the plan
→ Are you certain about Tom’s satisfaction with the plan
3. 含有定语从句的复合句与简单句之间的转换
Do you know the girl who is holding two books in her hand
→ Do you know the girl with two books in her hand
The man who wears a blue shirt is our English teacher.
→ The man in a blue shirt is our English teacher.

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