9B Unit2導學案
2. explain the context. daniel is explaining to amy what robots can do. ask students to complete the conversation on page 23 on their own.
3. ask two students to read the conversation and check mistakes.
4. encourage students to talk about if robots are harmful? divide students into groups to discuss.
① what do robots do harm to human beings?
② why do they do harm to human beings?
5. listen to the tape for the first time to learn the main idea of the comic strip.
6. listen to the tape for the second time to read after the tape.
7. ask some students to act out the comic strip.
step 3: useful expressions
1. complaint: 不+可數名詞“抱怨”；可數名詞 “抱怨的行動或話，投訴”，complain: 動詞：complain to / about
2. post：動詞‘郵寄’：post something for sb.
step 4. reading comprehension:
robots are becoming a big part of our lives. there may be half a million robots in the u.s. 20 years from now.
these machines are changing the way work is being done. thousands of robots are used in factories. these robots are not like the robots in movies. they don’t walk or talk .instead, a robot may be just a metal arm . the robot’s arm can do a certain job in a factory over and over again.
it can do jobs that people may not want to do .a robot never gets tired of doing the same thing.
sometimes a robot gets to do more exciting work. in canada, the police are using a robot on wheels. this robot’s job is to take apart（清除）bombs that may
go off(爆炸).
( )1.robots are becoming ______.
a. more and more important
b. less important than before
c. less useful than twenty years ago
d. more and more expensive
( )2.from the passage we can see that robots can ______.
a. walk in the factories
b. do a certain job in a factory over and over again
c. talk with people
d. get tired of doing the same thing
( )3. the title for this story could be _______.
a. robot’s job b. jobs in the factories
c. robot on wheels d. robots in our lives
( )4.robots in canada can probably ______.