初三Unit6-7知识点讲解和练习
UNIT 6
难点讲解:
1.词形变化:
1. invent v. 发明→n.invention 发明inventor 发明者V. + or = n. 这样的动词有:act , collect , visit , operate , translate
2. accident n. 事故→ adj. accidental 意外的,偶然的
3.smell v. 闻到→pt. / pp. smelt
4. nation n. 国家,民族→ adj. national 国家的
5.translate v. 翻译→ n. translation 翻译translator 翻译,翻译者
6.sudden adj. 突然的→adv. suddenly 突然地
7.music n. 音乐→adj. Musical
活学活用:
1. I go jogging for twenty minutes as my (day) exerci.
2. The white building was once ud as a home for the (rule) of the area.
叙的意思
3. It is really my (plea) to have a chance to work with you.
4. Easter is not a (nation) holiday in China or Japan.
5. Jenny’s very (music) and loves to sing.
2. such adj. 如此的,这样的,用来修饰名词。常用结构为:
⑴such + a / an + adj. + 单数可数名词=so + adj. + a / an + 单数可数名词
This is such a nice hor . 这是一匹如此好的马。=
⑵such + adj. + 复数可数名词There are such good books in the library .
⑶such + adj. + 不可数名词She has made such great progress in the exam .
3. plead adj.高兴的,满意的be plead with 对…高兴/ 满意I am plead with your answer . 我对你的回答很满意。
pleasant adj. 令人愉快的,用来形容物的。It’s a pleasant vacation . 这是一次令人愉快的假期。
安全教育平台作业pleasure n.高兴,乐趣,愉快With pleasure 非常愿意,用来慷慨应允别人的请求的。
My pleasure . 不客气,很乐意效劳,对别人表示感谢的一种礼貌回答
①—Thank you for your help . —My pleasure . ②—Will you come with me ? —With pleasure . 根据句意,用pleasant, plead或pleasure填空。1. I had a ______ time. 2. He will be ______ to help you.
3. Reading gives me great ______.
4. It gives me ______to e you looking happy.
5. We spent a ______ day in the country.
4. be ud for用来做……此短语中的for是介词,表示用途,后接名词或动词-ing形式。
be ud as 意为“被用作……”,介词as表示“作为”,其后一般接名词,强调使用的工具及手段。
Eg: English is ud as the cond language in many countries. 英语在许多国家被当作第二语言使用。be ud by 意为“被……使用”,介词by后面接动作的执行者(宾语)。
Tractors are ud by the farmers. 农民使用拖拉机。
1. 在中国英语作为外语来使用。__________________________________
2.教师用粉笔。__________________________________
3.毛衣是用来保暖的。__________________________________
5.remain (v.) 保持;剩余;残余
remain意为“停留,留下”, 相当于stay。“呆在那里”可以说remain / stay there,但“呆在家里”只能说stay (at) home。
She remains in the hou all the days. 她这些天一直呆在那栋房子里。
鞠躬>游上游6. invent v.发明,创造,主要指发明一种世上原本不存在的东西,如点灯、收音机、汽车等。discover是“发现”的意思,是指发现原来就有而一直没被发现,如发现电、煤、石油等矿藏及新星、星系或科学真理等。
Columbus discovered America in 1492.1492年哥伦布发现了新大陆。
find的意思是“寻找”,强调找的结果,并不指发现。
create指有目的地把原料制成新产品,也指创造出原来不存在的或与众不同的事物。Man creates himlf. 人类创造了自己。
A novelist creates characters and a plot. 小说家塑造人物并设计情节。
根据语境提示,用invent, discover,find或create的形式填空,完成句子。
1.When _____ the stream engine(蒸汽机)___?
2. I can’t ____ my bike, I’m looking for it.
3. Scientists are now trying to ___ if this is possible.
4. Do you know who______ the plane?
5. He ____quite a number of wonderful characters in his play.
9. advi v. 建议advi sb. to do sth . 建议某人做某事I advi you not to miss the early bus . 我建议你不要错过早班车。
变瘦
→ n. advice 不可数名词建议give sb. some advice on 给某人提有关……的建议
Unit 7:
【知识点解析】
1. allow动词,“允许;准许”
1) allow sb. sth,允许某人做某事。2) allow sth允许做某事。
3) be sth.被允许做某事。
2. I’m worried about their safety. 我担心他们的安全。
be about 为......担心,与about 同义
Mothers are always worried about their children. =Mothers always their children.
妈妈们总是为她们的孩子担心。
safety不可数名词,意为“安全;安全性”,其反义词是danger
For your own safety, plea do not smoke inside the plane.
为了你自身的安全,请不要在飞机上吸烟。
动力工程专业3. part-time形容词,“兼职的”,
其反义词是full-time,“全职的”,have part-time jobs 做兼职工作
4. get their ears pierced “扎耳洞”
“get sth.十过去分词”:使某事被做,其中过去分词表示的动作往往是别人做的,与句子的主语无关。区别:被动结构
I got my car . 我让人修理了我的车。
When are you going to get your hair ? 你打算什么时候去理发?
类似用法的词:
Have sth. +过去分词
2
I have my hair _______. 我把我头发剪了。
5. excite,excited,exciting意思及用法的区别
excite 动词,意为“(使)兴奋;激发;唤起”,其形容词为excited和exciting。excited 形容
词,表示“兴奋的”,指人、物对......感到兴奋,是(主动地感到)兴奋的exciting 形容词,表示“令人兴奋的;使人激动的”,指人、事、物本身让人兴奋、激动试比较:Are you about going to Beijing? 你要去北京了,感到兴奋吗?
家宴菜谱He told us an story yesterday. 他昨天给我们讲了一个使人激动的故事。
It's nothing to get about. 这没什么可值得激动的。
I've got an piece of work. 我得到了一份令人兴奋的工作。类推:
物+ 动词+ 人The book interests me.
= 物+ be V-ing to + 人The book is interesting to me.
= 人+ be V-ed 介+ 物I am interested in the book.
6. bring、take、carry、get、lift 携带、运送
get意为“拿”、“取”指说话人所在地出发,把人或物带回原处,表示动作的往返。
Can you get me some water?
Plea get a doctor at once. Bill is having a cold.
血小板高是什么病
lift意为“抬、提、举”,表示把某物从某一低处般到某一高处,动作由低到高。
Tom is lifting a basket of apples on to a tractor.
The students are lifting the desks on to the cond floor.