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　　Two fifths of the students in our class are boys, the other students / the others are girls。

　　3如果没有显示出只有两部分，未给出范围，则是泛指，不加the。

　　Lei Feng liked helping other people / others. Do you have any other questions?

　　Alice didn’t like that dress, so she asked to see some others。

　　4other的另一用法：用比较级的形式，体现最高级的含义。

　　He is taller than any other boy in his class. (划线中boy常用单数) =

　　He is taller than all ( of ) the other boys in his class. (划线中boy用复数)

　　他比班里任何男孩都高(他是班里男孩中最高的)。

　　10.how long / how often / how soon / how far: 1how long 是对长度或时间段提问。

　　How long is the river? -It’s 5,000 kilometers long. (对长度提问)

　　How long have you lived there? -For five months. / Since 2002. (对时间段提问)

　　2how often是对频率提问，如：never, sometimes, often, usually, always, once a week,

　　twice a day, three times a year, every day / year / month / week等。

　　How often do you watch TV? -Every two days. / Twice a week. / Sometimes。

　　【若只有次数，则用how many times 提问：

　　How many times do you watch TV a week? -Twice. / only once.】

　　3how soon 是对“in + 时间段”提问：

　　How soon will you return to Beijing? -In a week./ In two days。

　　4how far是对以下三种表达法的提问：

　　—How far is it from your home to the school? 有以下三种回答：

　　▲—It’s five minutes’ walk / an hour’s ride / thirteen minutes’ drive。

　　▲—It’s about 20 kilometers (far) away. (注意回答时不再用far,而用away, 或far away)

　　▲—It’s 15 minutes by bus / on foot / by train / by bike。

　　11.分数表达：二分之一： half a / an 或a half. 如：

　　half an hour = a half hour半小时 It’s half past seven。(省略冠词)

　　以下情况中，分子(基数词)若超过一，分母(序数词)需加s：

　　三分之一： a / one third 三分之二： two thirds

　　四分之一： a / one fourth 或a / one quarter

　　四分之三： three fourths或three quarters。

　　五分之一： a / one fifth 五分之二： two fifths 其它类推。

　　若分数所在of短语作主语，谓语依of后的名词而定：

　　A third of the boys have passed the test. A third of the work has been over。

　　Two fifths of the students are on time. Two fifths of the land is polluted。

　　(of后是可数名词复数时，谓语用复数;of后是不可数名词时，谓语用单数。)

　　12.到达：1get to + 地点 get to Shanghai / London / China

　　接地点副词时，不带to. get there / home / here。

　　2arrive in+大地点(如Beijing / Zhengzhou)，arrive at+小地点(如school / hospital)

　　arrive只作不及物动词，所以也可单独用：Please ring me up when you arrive。

　　3reach只作及物动词，后直接加地点：reach Beijing / England

　　但常不说reach home / there / here。

　　13.感叹句：1What + 名词短语+主语+谓语!此情况下主、谓常可省略。

　　What lazy boys (they are)! What hard work (it is)! What good news (it is)!

　　What a good idea! What bad weather (it is)! What clever girls (you are)!

　　2How +形容词 / 副词 + 主语 + 谓语!

　　How hard the work is! How fast he runs! How rude you are!

　　How carefully they are listening! How bad the weather is!

　　14.because/ instead / out等与加of的区别：

　　1because 后接句子，because of 接名词或代词。

　　He didn’t come because he was ill. / because of his illness。

　　2instead是副词，单独在句尾。instead of 后要接名词或代词。

　　We didn’t have rice, we had noodles instead. / instead of it。

　　3out 副词，可单独用，但若接地点，先加of。(也可作介词， “向…外”，

　　可不加of. 一般不要求掌握。) He went out early。或He went out of the house early。

　　15.too much, too many与much too:

　　much too“过于”，加形容词或副词原级。much too big / slowly等。

　　too much“太多的”，加不可数名词。too much work / rain等。

　　too many“太多的”，加可数复数。too many books / people等。

　　(以上每个短语可依第二个词来决定其后要接什么词。)

　　16. alone / lonely: 1alone,“独自一人;单独”不含感情色彩。

　　可当形容词，但只在系动词后作表语：Jack is alone. 杰克是单身。