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今日为同学们共享第3单元常识点，同学们可以保藏，每天使用零星的时刻多读多练这些例句，并做好习题安靖所学的常识点。
1. rubbish n. 废物;废物
Lin Tao takes out the rubbish to the dustbin every day. 林涛每天把废物倒进废物箱。
【拓宽】 litter， waste， garbage， trash， junk， rubbish均含“废物，废物”之意。
（1） litter指公共场所乱丢物品的总称，如：纸片、塑料袋、饮料瓶、易拉罐等。
（2） waste指“废物，废物”的总称，指任何被丢掉的东西。
（3） garbage和trash意思附近，既指废物，也指没有价值的东西，trash也可指人。
（4） junk指老旧过期的褴褛物件，只是没有丢掉。
（5） rubbish为一般用词，指任何成堆的、破损的、用过的或无用的东西，尤指弃掉的废物堆，也可作引申用。
2. lend vt. 把……借給;贷（款）;奉献，给予
—Can I borrow your bike？我能借你的自行车吗？
—Sorry， I lent it to Tom just now. 抱愧，我刚刚借给汤姆了。
【拓宽】 lend & borrow
lend指“借出”，与to 连用。
He lent his bike to me last week. 他上星期把自行车借给了我。
borrow指“借入”，与from 连用。
I borrowed a bike from him last week. 上星期我向他借了一辆自行车。
3. develop v. 打开;发育;开发
China can not develop without the world. 我国的打开离不开世界。
【拓宽】 developing adj. 打开中的;developed adj. 打开过的;兴隆的;development n. 生长，打开
China is a developing country. 我国是一个打开我国家。
The company developed rapidly under his administration. 在他的打点下，公司打开得很快。
This is an important stage in our country's development. 这是我国打开的重要期间。
4. provide vt. & vi. 供给，供给，供给
We provide nice food for them. They were very happy. 咱们为他们供给甘旨的食物，他们非常高兴。
【拓宽】 （1） provide sb. with sth. / provide sth. for sb. 向或人供给某物。
Our parents are willing to provide money and food for us students. 父母情愿为咱们学生供给钱和食物。
=Our parents are willing to provide us students with money and food.
（2） offer也标明“供给”，但规划有所不一样，常用于offer sb. sth. 或许offer sth. to sb. 规划中，意为“为或人供给某物”。
The government offered the flooded area a lot of food and clothes. 政府为灾区供给了许多食物和衣裳。
=The government offered a lot of food and clothes to the flooded area.
5. neither adv. 也不pron. 两者都不adj. 两者都不的
For one week， she did not do any housework and neither did I. 有一个星期，她啥家务都不做，我也是。
【拓宽】 neither did I是“Neither / nor+助动词 / be动词 / 神态动词+主语”规划，标明前者所描绘的否定情况相同适用于后者，neither在此用作副词，标明“也不”。
—I don't like this dress. 我不喜爱这条裙子。
—Neither do I. 我也不喜爱。
Neither team is doing well. 两个队体现得都不好。
6. while conj. 尽管;可是;当……的时分
I'll finish my homework while you help me with the dishes. 你帮我洗碗，我来做作业。
【拓宽】 when和while引导时刻状语从句均标明“当……时分”，when既可以指“时刻点”，与片刻间动词连用，也可以指“时刻段”，与连续性动词连用（=while）。while标明时刻段，因而，while从句的谓语动词要用连续性动词，as偏重两个动作一起发生，标明“一边……一边……”。
When he came in， his mother was cooking. 他进来的时分，他母亲正在煮饭。
Please don't talk so loud while others are working.别人作业的时分请不要这么大声说话。When / While we were at school， we went to the library every day. 当咱们在学校时，咱们每天都去图书馆。
7. depend vi. 依靠，依托;取决于;信赖，信赖
We shouldn't always depend on our parents. 咱们不大约老是依靠父母。
【拓宽】 depend on / upon意为“取决于……;由……抉择;依托”。
You can accept or refuse the gift. It depends on your personal choice. 你可以承受或回绝礼物，这取决于你自个的选择。
8. since prep. 自从;在…之后 conj. 自从……以来;自从……今后;因为;已然 adv. 从此;后来
He has studied very hard since he came to our school. 自从他来到咱们学校，他学习就非常尽力。
Since this method doesn't work， let's try another. 已然这种办法不可，咱们就试用另一种吧。
【拓宽】 since 用法小结
（1） since作为介词
He left the village in 1982 and I haven't seen him since then. 1982年他脱离这个村子，从那今后我再没见过他。
（2） since作为副词
He left home two weeks ago and we haven't heard from him since. 他两周前脱离了家，到如今咱们一向没有他的消息。
（3） since作为连词
He didn't come since he was busy. 他因为忙，所以没有来。
（4） since引导时刻状语从句
He has studied very hard since he came to our school. 自从他来到咱们学校，他学习就非常尽力。
（5） since在固定句型中
“It is / has been+時间+since+持续性动词的曩昔时”标明“自从……以来到如今已有多久”。
It has been quite some time since I was last in London. 我前次脱离伦敦至今颇有一段时刻了。
“It 
was+时刻+since+持续性动词的曩昔结束时”标明“从……到曩昔某时刻点以来”。
It was three years since we had been here. 那时咱们在这儿已呆了三年。
9. as soon as
as soon as标明“一……就……”。
My mom came over as soon as I sat down in front of the TV. 我一坐到电视机前，母亲就过来了。
【温馨提示】 as soon as引导时刻状语从句，标明“一……就……”，要遵循“主将从现”的原则，即主句用一般将来时，从句用一般如今时。
I will go as soon as she arrives. 她一到我就走。
10. in order to
in order to意为“为了……”，后边跟动词不定式，作意图状语。in order to可位于句中或许句首。
He got up earlier in order to get to school on time. 为了准时到校，他起得很早。
【拓宽】 in order not to do sth. 意为“为了不做某事”。
In order not to make his mother angry， he decided to give up playing computer games. 为了不惹母亲生气，他抉择扔掉玩电脑游戏。
【安靖操练】
一、根据句意及首字母提示补全单词。
1. My teacher asks us to s___ the floor of our classroom every day.
2. He often helps
his mother do the d___ after dinner at home.
3. My father often takes out the r___ to the dustbin when he goes to work every morning.
4. Mother will be angry to find the house in such a m___.
5. The teacher is teaching the children to f_ _ the paper planes.
二、根据句意及汉语提示补全单词。
1. Our country is ___ （打开） at a high speed.
2. We ___ （供给） nice food for them. They were very happy.
3. The ___ （压力） of her job caused her to lose sleep.
4. ___ （不管怎样）， you must finish it today.
5. ___ （已然） you have come here， please sit down and have a drink.
三、用方框中所给短语的恰当方法填空。
help out， depend on， get a ride， go to the movies， clean the living
room
1. It's unfair just to ___ one person to do the work.
2. Sandy likes ___ with her friends in her free time because the movies can make her relaxed.
3. After ___， I began to clean up the kitchen together with my younger brother.
4. There was something wrong with my car. I wanted to ___.
5. I had difficulty with the three things. I hoped you could ___ with them.
温馨提示：
