教材同步复习第一部分 Grade 9 Units 13 ~ 14(1)afford 作动词,意为“买得起,负担得起”,通常与 can, could, be able to 等连用,尤其用于否定句或疑问句中。 eg.Can you afford a house in Beijing ?你能在北京买得起一套房子吗?中考考点 · 精讲afford 的用法(2)afford 之后可以接不定式作宾语。 eg.The piano is too dear.I can't afford to buy it. 这架钢琴太贵了,我买不起。(3)afford 指“给予”时,可接双宾语。 eg.My parents afford me nearly all the things. 我的父母几乎给予了我一切。四者都有“花费”之意,但用法不同:辨析 take, spend, cost 与 pay 考点过去式主语 用 法意 思例 句taketookit 作形式主语It takes sb. some time to do sth.做某事花费某人多长时间It took him seven days to make the big cake. 做那个大蛋糕花了他 7 天时间。spendspent主语是人spend…on sth.; spend… (in) doing sth.某人花时间( 金钱 ) 做某事I spent 5 dollars on the book. 我买那本书花了 5 美元。costcost主语是物sth. costs sb. some money某物花费某人多少钱The book cost me 5 dollars. 那本书花了我 5 美元。paypaid主语是人sb. pays some money for sth.某人为某物付款多少I paid 5 dollars for the book. 我买那本书花了 5 美元。【图解助记】辨析 attend, join, join in 与 take part in 考点用 法attend指“出席 ( 会议 ) ;到场;上 ( 课 )” 等,侧重指去看或听,但自己不一定起积极作用。join侧重指加入某党派、团体、组织、人群等,并成为其中一员,相当于 become a member of 。join in多指参加小规模的活动,如“球赛、游戏”等,常用于日常口语。take part in指参加某一活动并在其中起积极作用。 take an active part in 表示“积极参加”。【图解助记】eg.He did not attend the meeting yesterday. 昨天他没有参加会议。When did your brother join the army ?你哥哥什么时候参军的?Come along, and join in the ball game. 过来和我们一块儿打球。In early days only male athletes were allowed to take part in the Olympic Games. 在奥林匹克运动会早期,只有男性运动员才被允许参加比赛。辨析 turn o...