福建省长汀县第四中学八年级英语上册学案section b topic 2 unit 4(仁爱版)

编稿人：龙岩六中陈宏审稿人: 吕克强
【导学目标】
1. 读新单词P87-88并在练习本上写下不会拼的单词。

2. 读1a和2，完成书本练习1b和3a。

3. 谈论UFO
（1）它看起来像什么？What does it ?
（2）有时看起来像盘子。

Sometimes it looks like .
（3）没有人确切地知道，甚至科学家都不确定。

No one ，even scientists .
（4）人们经常把人造的东西误认为是UFO.
People often some objects UFO.
4. I’m sure…和I’m not sure…的宾语从句改写，看书本p87（1C），找出两个句子有什么不同之处，填在横线上：
【导学诊断】
I.根据汉语提示完成句子。

1. She went （向，朝）the hospital.
2. There are no living things on other （行星）.
3. You can get much （信息）about UFO from books.
4. When I （醒）up this morning, it w as already nine o’clock.
II. 单项选择。

（）1. I’m not surehe will arrive.
A. weather
B. whether
C. that
（）2. Yesterday evening, I was watching TVmy little brother was doing homework.
A. if
B. after
C. while
（）3. We all saw some planesthe city when we were walking along the street.
A. flying over
B. flew over
C. fly on
（）4. It’s not in my bag. Whereit be ?
A. can
B. must
C. has to
（）5. He often mistakes meJim.
A. to
B. for
C. as
【导疑案例】
a. There is a bridge the river.
b. There are some CDs the table.
2. I’m sure 表示肯定，后面加句子可以用
（that 还是if）连接。

I’m not sure 表示否定，后面句子可以用连接。

3. 宾语从句改写的步骤：
例如：把Will robots make humans lose their jobs? 放在I’m sure 后作宾语从句，怎么改写？
（1）确定两个句子间的连接词：that ，因为I’m sure 是肯定的意思。

（2）Will robots…这个句子要改为陈述句顺序。

robots will make humans lose ….
（3）检查人称代词和时态是否正确。

最后写上标点符号。

【导练达标】
I.单项选择。

（）1. A lamp hungthe table.
A. on
B. over
C. in
（）2. I’m not surecome here on time.
A. that she will
B. whether she will
C. if will she
（）3. When he was tryinghelp, a policeman came out.
A. to call for
B. to call
C. call for
（）4. There was a loud knock at the doorLi Mei was sleeping.
A. if
B. because
C. while
（）5. The manMr. Zhang. Because he isn’t in Xiamen now.
A. mustn’t be
B. may be
C. can’t b e
II. 句型转换。

1. What did the UFO look like?＝was the UFO?
2. The book must be in your desk.（改为否定句）The book in your desk.
3. Can I do my homework better than you. I’m not sure…（用if 连接成宾语从句）
I’m not sure do my homework better than you.
4. Tom is listening to music now.（用at nine yesterday evening改写）
Tom to music .
【导练点睛】
本节课通过对UFO介绍，重点学习了：“be（not）sure ＋从句”的句型；并复习了过去进行时的用法。

1. 请概括出“be（not）sure ＋从句”的结构：be（not）sure ＋＋、谓语或宾语。

2. 请概括出过去进行时的结果：主语＋＋doing＋时间状语。