1、Unit 3重点单词、短语回顾单 词1. careful作形容词,意为“小心的、仔细的”,在句中作定语或表语。它的副词形式是carefully。如:Please be careful when you cross the street. 当您横过街道时要当心。2. hang作及物动词,意为“悬挂”,后加名词或代词作宾语。过去式和过去分词都是hung。如:Our teacher hung a map of China on the wall. 我们老师在墙上挂了一张中国地图。作及物动词,意为“绞死、绞刑”过去式和过去分词都是hanged。如:he murderer was hanged last
2、 week. 上周那个凶手被执行绞刑。构成短语hang up, hang out,意思分别是“悬挂”,“闲逛”。 如:Would you like to hang out in the store with me? 你想要和我一起逛一逛市场吗?3. wound作可数名词,意为“伤口、伤害”,后加名词或代词作宾语。如:Your wound is slightly infected. 你的伤口有点儿感染了。wounded 表示“受伤的”,the wounded 表示“伤员”,是集体名词。如:The doctor is trying to save the wounded soldiers. 医生正
3、在抢救受伤的战士。4. blood作不可数名词,意为“血、血液、血统”。 如:There is 83% of water in the blood. 血液中83%的成分是水。5. stick作可数名词,意为“棍棒、枝条”。 如:You can tie the young tree to the stick. 你可以把小树绑在木棍上。作及物动词, 意为“粘贴、穿入、坚持”,后加名词、代词、不定式作宾语。如:Mr. Zhang stuck a map on the wall. 张先生在墙上粘了一张地图。6. heat作不可数名词,意为“热、热度”。 如:The sun gives us light
4、 and heat. 太阳给了我们光和热。作及物动词,意为“使温暖、加热”。 如:Danny heated the water just now and it is hot now. 丹尼刚才把水加热了,现在水热了。7. rule作可数名词,意为“规则、原则、规定”,复数形式是rules。如:At school we should obey the rules. 在学校我们应该遵守规则。作及物动词,意为“管理、管辖”,后加名词或代词作宾语。如:A young manager rules this company. 一位年轻的经理管理着这家公司。8. training作可数名词,意为“培养、训练
5、”,train作动词用,意为“训练”,这里的training 是它的动名词形式起名词作用。如:You can use this machine after training. 经过训练你就会使用这台机器了。短 语1. try to do短语try to do something 意为“尽力做某事”;类似短语try doing something 则表示“尝试做某事”。Ill try to do everything well. 我将尽力做好每件事情。Li Ming is trying to skate on the real ice. 李明正在尝试着在真正的冰上滑冰呢。2. in a hurr
6、y短语in a hurry意为“匆忙、着急”,可用在系词后作表语,也可用在动词后作状语。Why are you in a hurry, Li Ming? 你为什么这么着急,李明?Danny went to school in a hurry just now. 刚才丹尼匆匆忙忙地上学去了。3. by doing短语by doing意为“通过、由于”,在句中作状语,表示原因或方式。Lisa learns English by listening and speaking. 丽萨通过听和说学英语。4. happen to短语happen to somebody (something) 表示“某人 (物)出事或发生情况。Many things have happened to us these years. 这些年我们这里发生了很多事情。