topic 1
一：词汇。about=think of思考，考虑； think of想起，认为 think over仔细思考。
与。分享。be important to sb对某人来说很重要。
we know= it is well known that众所周知。
用。盖住 be covered with被。所覆盖 on the surface表面上。
a part in在。中扮演角色 control over控制 control oneself控制自己。
out灭绝 die of死于(内因) die from(外因）
7.形容词比较级+and+形容词比较级，表示“越来越。the+形容词比较级， the+形容词比较级，表示“越。就越。
...from..保护。免受。
on以。为食 feed...to..把。喂给。吃 feed...with..用。来喂。
danger处于危险中 out of danger脱离危险 in fear处于恐惧。
of成千上万的 5 thousand
二：句子。think the countryside is much quieter than the city,too.
think the sheep are the nicest of all.
we know, they’re both important to us.
and thousands of animals live in the rainforest.
feed on bamboo.
now they h**e less and less land to live on.
now, rainforests are becoming smaller and smaller, so we should protect them.
like cats because they are cuter than other animals.
三：语法。1.形容词有三个比较等级：原级，比较级，最高级；表示两者比较时用比较级；表示三者或三者以上比较时用最高级。
2.变化规则。
3.不规则。
good/well-better-best; bad/ill-worse-worst; many/much-more-most
little-less-least; far-farther/further-farthest/furthest
4.可修饰形容词比较级的副词有，a lot,much,even,far,a little, a bit
topic 2
一：词汇。袭击，侵袭；罢工；划火柴。
one’s life失去生命 protect...from...保护。免受。的伤害。
又一，再一，后接可数名词单数； another+数字+名词复数=数字+more+名词复数，意为“另外。more than=over
about/of听说 hear from= get a letter from sb.收到某人的来信。
calm保持冷静； stay/get away from远离。
6to do sth(未做）
forget /remember
doing sth(已做)
careful of注意，当心 be careful with对。仔细 turn off关闭，turn on打开。
to do sth试图或努力做某事 try doing sth尝试做某事。
the help of在。的帮助下 over again再次，重新。
up发射 send sb off给某人送行 send for派人去请（取)
二：句子。terrible earthquake struck qinghai!
very sorry to hear that.
can we protect ourselves from earthquake?
the matter with you?=what’s the trouble with you?=what’s wrong with you?
some ways to protect yourself will help to keep you safe in an earthquake.
not try to run out of the building.
ask miss wang for help.
think the wenchuan earthquake in 2008 was more serious than this one, but the tangshan earthquake in 1976 was the most serious.
三：语法。1.部分多音节形容词和多音节形容词比较级与最高级变化规则； 比较级在其前面加more，最高级在其前加most
2.形容词原级的用法：a+be+as形容词原级+as+b a和b一样。
a+be+not+so+形容词原级+as+b a不如b...
3.比较级：比较级+and+比较级，越来越。
the +比较级， the+比较级， 越。就越。
比较级+than any other+单数名词比起任何一个更。
比较级+than the other+复数名词比起其他所有的。更。
4.形容词的最高级，形容词最高级前面必须加the， 如果有形容词性物主代词不需加the
topic 3
一：词汇。to face面对面 hand in hand手拉手 neck and neck齐头并进 back to back背靠背 find out弄清楚，查明 make it into use将其投入使用。
into being产生 all kinds of各种各样 different kinds of不同种类的。
sure that确信。be not sure whether/if...不确定是否。be sure of sth确信某事。
be sure to do sth确定做某事。
different from与。不同 for the better“向着较好的情况转变”反义词组for the worse change...into...
把。变成，把。译成。
二：句子。1. the internet makes the world smaller.
2. i’m sure the internet will become more and more important to us.
3. i’m not sure if that is a good idea.
4. however , the internet makes our lives more interesting.
5. finally , it is possible to look up new words in an online dictionary.
三：语法。宾语补足语：
英语中有些及物动词后接宾语时，需要加一个词或短语来补充说明宾语的特征、状态等情况，使句子结构变得更加完整，这样的词或短语叫做宾语补足语。可以做宾补的词：名词，形容词，副词，介词短语，动词不定式，v-ed 或v-ing等。
主语+谓语动词+宾语+宾语补足语。
1.名词作宾语补足语，通常放在call，name，keep，make，find等词后面，补充说明宾语的身份或特征等； we made him monitor.
2.形容词或副词的原级或比较级作宾语补足语，放在make，keep，find，get，let等词后，说明宾语的状态或特征；i find the man funny
3.带to的不定式作宾语补足语，放在ask，tell，want，teach，order，advise，would like等词后。 tom asked me to play football with him.
4.不带to的动词不定式作宾语补足语，放在使役动词make，let，h**e和感官动词see，watch，hear，feel等词后。help既可跟to do也可跟do。
we often see him play basketball on the playground。
或v-ing形式做宾补，通常放在h**e，make，keep，hear，watch，see，find等词后。i hear a girl singing in the next room。
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