unit2
1.(P9 1a)help with housework(不可数名词)帮忙做家务
做家务do (the) housework ,housework前还可加some,much,a lot of , little修饰
类似:homework,schoolwork
2.(P9 1a)go shopping =do some /the shopping去购物
3.(P9 1c) on weekends=on the weekend在周末
4.how often多久一次,对频率提问
5. 一次once,两次twice,三次及以上用基数词+times
6.use the Internet用互联网
7. be free有空=have time
8.How come =Why怎么会,怎么回事
9.What kind of dance are you learning 你正在学习哪种舞蹈?
swing dance摇摆舞 (swing过去式swung)
10.have dance and piano lessons上舞蹈和钢琴课
11.have to +动原 不得不做某事
12.How/what about… …怎么样?/ …好不好?(后跟名词\代词\V-ing)(用来提出意见或征求对方建议)
13.eat a healthy breakfast吃一顿健康的早餐eat breakfast吃早餐
14. stay up late(to do)熬夜
15.at least至少(反:at most)
section B
1.want sb (not)to do sth
2.be good for对……有好处 be bad for 对……有害处
Swimming is good for our health.游泳对我们的健康有好处。
Watching TV is bad for our eyes.看电视对我们的眼睛有害处。
动名词作主语,谓语动词用单数。
3.junk food,coffee,milk均为不可数,做主语,动词用单数。
4.health 名词 -healthy adj.
be/keep in good health健康良好
keep healthy保持健康
5.ask sb about sth:问某人某事 ask sb (not) to do sth
6.in one’s spare time在某人业余时间
7.“数字+percent of+名词”做主语时,后面的单词取决于名词的情况。若名词为复数,后面的动词用复数形式;若名词为单数或不可数名词,后面的动词用单数形式。
eg:在我们班,百分之二十的学生为男生。
In our class ,twenty percent of the students are boys.
百分之三十的水是脏的。
Thirty percent of water is dirty.
8.not ...at all(not要和be,情助连用)一点也不
Tom一点也不喜欢打篮球。Tom_________________________.
9.go online=use the Internet上网
10.sb be surprised at sth /that +句子某人对...感到吃惊
11.at least three or four times a week一周至少三四次
four to six times a week一周四到六次
12.for fun为了娱乐
13.the answer to the question这个问题的答案
the key to the door门的钥匙
14.although虽然,尽管 与but 不能同时使用在一个句子中
(because与so也不能连用)
15.it’s +adj.(for sb) to do sth做某事对某人来说是....
16.by doing sth通过做某事
17.做某事的最佳方法the best way to do sth
18.such as+名词,代词,动词Ing 比如,诸如
Excercise such as playing sports is fun.
19.和某人共度时光spend time with(spend过去spent)
sb spent+时间/金钱 doing sth/on sth某人花费时间/金钱做某事
it takes /took sb +时间 to do sth做某事花费某人多长时间
20.old habits die hard.旧习难改。
die 现在分词dying ;形容词dead;名词death
21.a 16-year-old high school student 一名16岁的初中生
22.however然而,无论如何,不过,可位于句首,句中和句末
23.watch TV for more than two hours a day
more than=over超过,多于
24.go to the dentist看牙医
25.tooth pl:teeth
26.be afraid to do=be afraid of doing sth害怕做某事
27.less than少于 (反:more than多于)
28.none即可指人,也可指物,常与of连用,强调数量,作主语时,动词单复均可,常用语回答how many/much
no one只可指人,不能用of连用,不强调数量,作主语,动词用单数,常回答who的提问