山西省运城市垣曲县九年级英语全册 Unit 4 I used to be afraid of the dark（第4课时）学案（无答案）（新版）人教新目标版.doc

Unit 4 I used to be afraid of the dark.Section B 2a—2f【学习目标】1. 学习并掌握重点词汇和常用短语或表达2. 通过老师的阅读指导，认真阅读课文，理解文意，进一步提升阅读能力重点难点】重 点：熟练掌握单词，灵活运用常用短语，并理解文章的大意难 点：通过阅读训练，进一步提升阅读能力 【新知预习】翻译下列短语：（每空2分）1. 逃课 7. no longer 2. 亲身；亲自 8. be proud of 3. 为……感到自豪 9. Take pride in 4. 寄宿学校 10. to one’s surprise 5. 照顾；照料 11. make a decision to do sth. 6. 取得好成绩 12. cause a lot of trouble 13. 感到孤独 ________ 14.建议某人做某事 ________ 【课堂探究】 As a small child, he seldom gave his parents any problems… 小的时候，他很少给他的父母制造麻烦…… seldom译为“不常；很少”，是一个否定词。

需要注意的是，如果seldom出现在反意疑问句中的时候，它本身就含有否定的意思了，所以后面要用肯定式的反问，如： I seldom used to be late for class, did you ? My sister seldom eats junk food, does she ?类似的表示否定的词汇还有，never, hardly, hardly ever, few, little等 My dad never read books in the library, ?（完成反意疑问句） 【当堂检测】I. 单项填空每个2分） ( ) 1. He doesn’t like studying and he’s often absent school. A. from B. on C. away D. at( ) 2. Tom’s handwriting is the best in class, his teacher this. A. take pride in B. take part in C. takes pride in D. takes part in( ) 3. My little sister is ill, so I have to at home. A. look for B. look up C. look after D. look( ) 4. their surprise, their daughter won the game at last. A. In B. To C. With D. At( ) 5. — Did he use to play computer games?— No. He played them. A. seldom B. often C. usually D. sometimes( ) 6. I think important for parents to stay with children together. A. they B. that C. its D. it( ) 7. If you keep English every day, your English will improve. A. practice speak B. practicing speaking C. practices speak D. practices speaking( ) 8. The boy used to be afraid of alone at home. A. is B. was C. be D. being( ) 9. Her parents make her in hometown so that they can often see her. A. work B. working C. works D. worked( ) 10. Mike, don’t be sad, you should be proud of . A. you B. yourself C. your D. yourselves淀粉酶可通过微生物发酵生产获得，生产菌株在含有淀粉的固体培养基上可释放淀粉酶分解淀粉，在菌落周围形成透明圈。

为了提高酶的产量，研究人员欲利用诱变育种的方法获得能产生较多淀粉酶的菌株1。