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新目标英语八年级下册重难点知识讲解Unit2 I’ll help to clean up the city parks（知识讲解）Section A1. You could help clean up the city parks.你可以帮助打扫城市公园。
【解析1】help v →helpful1). help sb. (to) do sth. 帮助某人做某事。
2). help oneself （to sth）自用（食物等）。
3). help sb. out 帮助某人克服困难，渡过难关、解决问题、完成工作。
4). with the help of sb 在……帮助下。
=with one’s help (n.)5). help sb. with sth. 帮助某人做某事。
6).Can’t help doing 情不自禁做.... ---can’t wait to do sth【2013日照】15. —Mary is so ________ — she comes to you whenever you’re in trouble.A. usefulB. carefulC. thankfulD. helpful【2012 烟台中考】25. The woman ___all of her money to charities____ the poor.A. gave off, to helpB. gave up, helpingC. gave away, to helpD. gave, helping【解析2】clean up 把……打扫干净（v. + adv.）clean up the table = clean the table up①It’s your turn ____________up the kitchen.(clean)( ) ②Your bedroom is too dirty, please _____. A. clean it up B. clean up it C. set it up( ) ③If everyone pours less polluted water into Dianchi Lake, it will be _____.A. deeper and deeperB. cleaner and cleanerC. dirtier and dirtierD. wider and wider2. The girl could visit the sick kids in the hospital to cheer them up.女孩可以去医院看望生病的孩子们，让他们振作起来。
Unit 2 I’ll help to clean up the city parks.一、基本知识点1。
sick 生病的，有病的；可在句中作表语Mary could not come because she is sick。
也可作定语a sick child【区别ill】ill与sick同义；但是只在句中做表语，不做定语。
Mary could not come because she is ill。
2。
cheer (sb。
）up（让某人）变得高兴;振奋起来The good news cheered up everyone in our class.3。
give out分发;散发，相当于hand out，The teacher is giving out/ handing out the test papers.give sth. out to sb。
意为。
4. volunteer 【名词】志愿者【动词】义务做，自愿做（某事）volunteer to do sth. ，The girls could volunteer in an after—school study program。
5。
used to do sth.过去/曾经(常)做某事，表示过去的习惯、动作或状态，并强调现在已经不再存在或发生.There used to be a cinema here.They told me stories about the past and how things used to be.6。
alone 【形容词】独自一人的，无感情色彩：The musician enjoyed living alone and writing songs himself。
lonely （感到）孤独寂寞的,带有很强的感情色彩,可做表语或定语。
The lonely boy is not lonely now.7. care for sb。
