基础巩固
一、词汇详解
1.It exploded loudly with fire and rock,which were in time to produce the water vapor,carbon dioxide,oxygen,nitrogen and other gases,...
它（地球）巨大的爆炸喷出了烈火与岩石，最终产生了水蒸气、二氧化碳、氧、氮和其他多种气体，……
要点提示:
in time来得及;总有一天，迟早
典型例句:
I was just in time for the flight.
我刚好来得及赶上那班飞机。
I will see him in time.
总有一天我会遇见他。
相关链接:
与time相关的短语
in no time立即，立刻
at any time 在任何时候
at one time曾经，一度
at times 有时，偶尔
on time按时，准时
of the time现在的，当时的
例如：
I jump into the river in no time.我立即跳入河中。
You may use my watch at any time.
你可以随时用我的手表。
At one time there were not so many cars on the streets.
从前街上没有这么多车子。
At times I go to the playground to play football.
我有时到操场踢足球。
The guest reached the hall on time.客人准时到达大厅。
I think he is the greatest musician of the time.
我想他是当代最伟大的音乐家。
应用探究
短语填空
in time on time in no time at one time at times at any time
(1)—Why are you in a hurry to leave here?
—Get home ______ to bathe the children.
(2)These buses are never ______ and the passengers are always complaining.
(3)I am away,please call me ______ if someone come to see me.
(4)You can’t imagine this lake used to be a beautiful place in our province ______.
(5)He rushed out of the kitchen ______ when he heard the shout.
(6) ______ I sit silently and wonder if this kind of job is worth all the effort.
答案：
(1)in time (2)on time (3)at any time(4)at one time (5)in no time (6)At times
赠言
（1）True friendship lasts forever.
（2）With a true friend,the world is but a little place after all.
2.It allowed the earth to dissolve harmful gases,which had become part of the earth’s atmosphere,into the oceans and seas.
它使地球把曾经存在于大气层中的有害气体溶解在海洋里。
要点提示:
allow动词有下列用法:allow sb.sth.同意给某人某物;allow sb.to do sth.允许某人做某事;allow doing sth.允许做某事，与permit在很多情况下可以通用。其他动词advise，forbid 也有类似用法。
典型例句:
The readingroom doesn’t allow smoking.
阅览室不准吸烟。
People are not allowed to spit in public.
不许当众吐痰。
相关链接:
permit,allow的不同用法:
(1)allow可以和副词连用，permit则不能。如:Mary wouldn’t allow me in.玛丽不让我进去。
(2)表示客气的请求时，主语是you应当用permit，以表示下级对上级，幼辈对长辈，低层对高层人尊敬的请求。若主语用I，则应当用allow的被动形式。如:May I be allowed to use this knife?=Will you permit me to use this knife?我可以用你的刀子吗？
翻译
(1)The girl’s parents are very strict and they don’t allow the girl to stay out beyond midnight.
__________________________________________________________________________
(2)We don’t allow making a noise in the meeting room of the school.
__________________________________________________________________________
(3)I allow the little boy a bike for his birthday present.
__________________________________________________________________________
答案：
(1)女孩的父母相当严厉，他们不允许她待在外面超过12点。
（2）我们不准有人在学校的会议室里吵闹。
（3）我答应给小男孩自行车作为生日礼物。
开心一刻
A chemist asked for marriage to his girlfriend and said,“I am oxygen atom(氧原子) ‘O’,and you are hydrogen atom(氢原子) ‘H’.So the combine between us is very steady as ‘water’.As you know,water is very beautiful.”
The girl-friend asked,“Then where is the other ‘H’?”
3.This encouraged the development of early shellfish and all sorts of fish.
这促进了早期贝壳类动物和各种鱼类的生长发育。
要点提示:
development n. 发展，发育，成长，开发
典型例句:
There have been many new developments in gene.
基因方面已经有几项新的发展。
Father watched the development of his baby with interest.
爸爸充满兴趣地看着孩子的成长。
相关链接:
with the development of society 随着社会的发展
political development政治动态
housing development住宅区
填空
(1)As the new country ______ (develop),more and more people live a happy and easy life.
(2)America is a ______ (develop) country,the average income is very large.
(3)In Africa,some countries are _____ (develop) countries.They are badly need other countries aid.
(4)With the ______ (develop) of economy,our society still needs the rapid development of civilization.
答案：
(1)develops (2)developed (3)developing(4)development
4.They were the last group of animals and they were different because they produced their young from within their bodies.
它们是最为进化的一类动物。从体内生产出幼仔是它们不同与以往动物的特征。
要点提示:
different adj.不同的，相异的，常与介词from连用。强调different时，使用very, much, quite, entirely,totally等单词。
典型例句:
They are quite different in their tastes.
他们的品位差异很大。
My opinion is different from yours.
我的意见和你的不同。
相关链接:
同根的词语:
differently adv.不同地;有差别地
difference n. 差异；差额；意见不同
完成句子
(1)My opinion is ______ from yours.
我的观点与你的观点不同。
(2)The people coming from different places all over the world speak English ______.
来自世界不同地方的人说英语不同。
(3)The twin sisters went to ______ middle schools.
这双胞胎姐妹在不同的中学就读。
答案：
(1)different (2)differently (3)different
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