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1、中学人教版八年级上册英语(新目标)配套练习册答案山东省人教版八年级上册英语(新目标)配套练习册答案Unit 1 How often do you exercise? Section A I.1. program 2.results 3.Exercise 4.twice 5.Internet II. DBDDC ABC III.1.helps 2.skateboarding 3.once 4.active 5.shoppingIV. 1. surfs the Internet 2. goes to the movies 3. never arrives late 4.fours times a
2、month 5. How often V. 1.How often does go 2. What does do 3. Does go doesnt 4. What do do 5.What is VI. CDAB Section B I.1. different 2. health 3. habit 4.try 5. keep 6.Although 7. for 8. betterII.DDCBA ADACD III.goes 2. eating 3. to esercise 4.get 5. to drink 推论2:直径所对的圆周角是直角；90的圆周角所对的弦是直径；IV.1. hea
3、lthy lifestyle 2. Of course,twice a week 3. How many 4.is good for 5. As for most V.DBDAC ACCAB 1、开展一帮一活动，让优秀学生带动后进生，促使他们的转化。VI.CBDCD BABCA VII.( 略) Unit 2 Whats the matter ? Section A tanA没有单位，它表示一个比值，即直角三角形中A的对边与邻边的比；I.1. matter 2. foot 3.toothache 3. mouth 5. headache 6. fever 7. rest 8. teeth II
4、.DADCA ABA III. 1. stomachache 2. ill 3. feet 4.better 5.backache (二)知识与技能：IV.1. Whats matter with 2. should lie down rest 3. have a fever 4. 2.点与圆的位置关系及其数量特征：with honer 5. not feiiing well 6. see a dentist 上述五个条件中的任何两个条件都可推出其他三个结论。V.Whats the matter with 2. shouldnt eat anything 3. Does have 4.When
5、 did it start 5. How is she felling VI.EGADC Section B I.1. thirsty 2. stressed 3. early 4. problem 5. Traditional 6. weak 7. angry 8. westrn 若a0，则当x时，y随x的增大而减小。II.DCBBB AADCB III.1. to have ,to eat 2. exercise 3. enjoying 4. to hear 5. stressed （7）二次函数的性质：IV.1. go to bed ,to stay healthy 2. too much 3. stressed out,angry 4. western countries 5. shouldnt study V.BBADC AACDA （3）当0时，设抛物线与x轴的两个交点为A、B，则这两个点之间的距离：VI.DCDCA 平方关系：商数关系：VII.( 略)