内容正文:
第三课时(Section B 1a-2e)
Ⅰ. 重点单词
1. 太空;空间 n. space
2. 人的 adj. human
3. 有危险的;不安全的 adj. dangerous
4. 相信;认为有可能 v. believe
5. factory n. 工厂
6. disagree v. 不同意;持不同意见;有分歧
7. shape n. 形状;外形
8. impossible adj. 不可能存在或发生的
9. adv. already
10. v. agree
Ⅱ. 重点短语
1. 多次;反复地 over and over again
2. 突然倒下;跌倒;倒塌 fall down
3. look for 寻找;寻求
4. space station 太空站;宇宙空间站
Ⅲ. 重点句型
1. 他们帮助做家务并在脏的或危险的地方工作。
They help with the housework and do jobs like working in dirty or dangerous places.
2. 现在已经有机器人在工厂里干活了。
Today there are already robots working in factories.
3. 让它们真正像人那样思考将是困难的。
It will be difficult to make them really think like a human.
4. 例如,科学家詹姆斯·怀特认为机器人绝不会一觉醒来后知道自己身在何处。
For example, scientist James White thinks that robots will never be able to wake up and know where they are.
5. 我们永远不会知道未来会发生什么!
We never know what will happen in the future!
乐学好思
1. disagree是动词agree的否定形式。很多动词前面加上前缀dis,表示否定之意,如:dislike不喜欢,disappear消失等等。
2. impossible 是possible的否定形式。有些形容词前面加上前缀im,表达否定意义,如:impolite不礼貌的,immoral 不道德的等等。
dangerous adj. 有危险的;不安全的
【例句感悟】
*They help with the housework and do jobs like working in dirty or dangerous places. 他们帮助做家务并在脏的或危险的地方工作。(教材·P53)
*Don't touch them. They're dangerous. 不要摸它们。它们很危险。
*Some animals are in great danger. 一些动物处于极度危险之中。
【探究归纳】
(1)dangerous作形容词,意为“有危险的;不安全的”,在句中作定语或表语。
(2)danger是其名词形式,意为“危险”, in great danger 处于极度危险之中。
【真题链接】
(2021·抚顺)Our teacher often warns us it's D to leave much personal information on the Internet.
A. interesting B. exciting
C. difficult D. dangerous
解题点拨:interesting有趣的;exciting令人兴奋的;difficult困难的;dangerous不安全的。根据常识可知,在网上留下大量个人信息是不安全的。
【学以致用】
(1) (2021·铜仁)-Although Zhong Nanshan knows COVID19 is more B to old people, ________ he cares little for his own safety.
-He is the pride of us. We all respect him.
A. danger; but B. dangerous; /
C. dangerous; but D. danger; /
(2)Don't swim in the river. It's dangerous (危险的) for you.
agree v. 同意;赞成;应允
【例句感悟】
*However, the