9B U 4单词讲解1.Mars on ~
Mars moves more slowly than the Earth.
2.helmet-s
*wear a ~ to go into space
3.air tank an ~
*power pack-s
*sleeping bag-s
4.dried 干缩的，脱水的
*~ food/flowers
*v. dry 使…干，弄干
dry your hair/my hand
*adj. dry 干的，干燥的（wet）
keep… dry
5.power pack ~s
6.sleepling bag
sleeping pills,sleeping cars
weigh的用法
*There’s less ~ on Mars than that on Earth.
*The ~ on Mars is only __(八分之三)of that on Earth.
8.planet
*on the ~ (of)Mars/Earth
*become more and more ~ and pollut ed
*be ~ with (people)
*on a ~ street
10.polluted ~ water 脏水
*be badly ~
*v.pollute
The waste pollute s the lake.
*n.pollution
The air is full of pollution.
11.rapid
*较正式，通常指突然或急速(且连续不断)的动作，还指一种有益的高速度；e.g. make ~ progress *quic
k 通常表示某一动作来得突然或时间持续很短，有时还含有匆忙之意(但通常不指动作的频率);e.g. have a ~ breakfast
*fast 表示“快”，侧重指速度方面;e.g My match is 5 minutes fast.
12.(an) increase
*n. the~in population/number
/road accidents
The population is increasing ___(rapid).
*v. ~ the production by 20%
13.(all) over again start~
14.passenger: a person who rides in a car, bus, train…but does not drive it.
15.at a/the speed of
*move/travel at high speed
*travel at the(a) speed of light/ 80 miles an hour
16.uncomfortable
*live an~ life,
live uncomfortably,
< [U] Humans can’t live without water ,~or food.
18.in the form of (pills)
*The food will be ~.
*I don’t like the food in the~.
*The article is written in the ~ diaries.
19.tasty
*taste tasty=taste delicious
*much/even (tasty)
20.specially: for one purpose
*be ~ designed to be comfortable
*I come here ~ to see you.
21.float-s
*prevent sth ~ing in the air/on the lake
*prevent___(float)off into space
*prevent sb. from doing…
=stop/keep sb. from doing….
22pare-d beyond ~无与伦比
*___(~)with/to children in the west, we are luckier.
*___(~)with/to that, and you’ll find which is better. Never__(~) your life with/to others’. Every dog has its day.
23.interplanetary network
24.challenging v/n. challenge
* a ~ing job
*take on challenges
25.rapidly increase~

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。