Unit1 Topic1知识点讲解 1. see sb. do sth. 表示“看见某人做了某事” 强调动作的全过程,常与every day; often等连用. see sb. doing sth. 表示 “看见某人正在做某事“强调动作正在进行. 试填空: I often saw you basketball during the summer holidays. I often see him pictures near the river. 我常看见她在河边画画. I saw her across the street. 我看见她过了马路 I saw her across the street. 我看见她正在过马路. [类似的有watch, hear, feel 等这类感观动词.] 2. join sb. 表示 “ 加入某人的行列 ” “和某人在一起” join + 组织 表示 “ 参加某个组织” take part in 表示 “ 参加某项活动”如: Will you join us? I will join the rowing club. She is planning to take part in the high jump. 3. arrive in /arrive at/ reach/ get to (1) What time did he arrive _______ the village? (2) At last we _______ the base camp (大本营) . (3) You can easily get _______ the city center from here. (4) They will arrive _______ Tokyo in two days. arrive in + 大地点 到达某国家或大城市 arrive at + 小地点，到达某个具体的地点，如城镇、车站、乡村、建筑物等。 get 是不及物动词，其后接介词to. reach + 地点到达，抵达，是及物动词，后面直接接宾语，无须介词。 试填空: My uncle arrived Beijing yesterday. I arrived the Great Wall. = I got to the Great Wall. = I reached the Great Wall. 注意: reach here/there/home = get here/there/home =arrive here/there/home 1 4. leave/ leave for/ leave... for (1) He _______ his hometown last week. (2) I am _______ New York next week to see my good friends there. (3) We will _______ Beijing _______ Shanghai. leave…离开某地 leave for…动身去…/离开去…（常用现在进行时态表示计划好的的动作）leave... for..表示离开…去…。 5.how long 表示“多久(时间)”; 提问时间段 .how often 表示 “多常; 多久一次”; 提问频率. 试填空: They will stay in Beijing for a week. → will they stay in Beijing? He plays basketball twice a week. → does he play basketball? 6. play with /play against /play for (1) Our team will _______ Class Three next Saturday. (2) A group of kids were _______ a ball in the street. (3) Does Yi Jianlian _______ the Dallas Mavericks in the NBA? 【分析比较】 play with 玩耍，游戏，玩乐，与……玩耍。(2)题意为"孩子们在玩球", 故填playing with。 play against 同……比赛。(1)题意为"两个队比赛＂，故填play against。 play for 为……效力。(3)题意为"易建联在NBA为达拉斯小牛队打球吗?",故填play for 。 7.be good at (doing) sth. = do well in (doing) sth. 擅长于(做)某事 试填空: She is good at (playing) baseball. = She (playing) baseball. 2 本文来源：https://www.wddqw.com/doc/1c7b2093d6d8d15abe23482fb4daa58da0111cdc.html