Unit 13: Activities
Lesson 5: B3 P. 136-137
Monday, March 30th, 2009
underwater :
scuba diving :
a vessel :
dưới mặt nước, chỗ sâu, nước ngầm
lặn có sử dụng bình dưỡng khí
tàu, thuyền
(to) explore:
thăm dò, thám hiểm
 1. New word:
(to) invent :
phát minh, sáng chế
Alphabet Buttons Appear Here
special breathing equipment :
dụng cụ thở đặc biệt
invention (n)
2. Read B3 P.137 and answer.
Most of the world’s surface is land.
True
False
F
water.
2. Read B3 P.137 and answer.
Before the invention of special breathing equipment, man couldn’t swim freely underwater .
True
False
T
2. Read B3 P.137 and answer.
Now, scuba-diving is a popular sport.
True
False
F
Now, people can swim freely with the help of special breathing equipment.
2. Read B3 P.137 and answer.
Jacques Cousteau invented special TV cameras.
True
False
F
a deep-sea diving vessel.
2. Read B3 P.137 and answer.
We can learn more about the undersea world thanks to Jacques Cousteau’s invention.
True
False
T
Match the answers with the questions.
How long could a pearl diver stay under?
Now, how long can a diver stay under water?
When did Jacques Cousteau die?
When did he invent the deep-sea diving vessel?
What could he study?
How can we explore the oceans now?
2 minutes
a long time
1997
the early 1940s
underwater life
with special TV cameras
3. Complete the dialogues. Use can or must.
Alphabet Buttons Appear Here
Son: Can I watch TV now?
Mom: No, you can’t. You …... finish your dinner first.
Alphabet Buttons Appear Here
Son: …..I have some cake? I’m very hungry now.
Mom: You …….clean your hands first.
Alphabet Buttons Appear Here
Daughter: ……I go camping with my classmates this weekend?
Dad: OK. You ……go. But you ……finish your homework after you come back on Sunday evening.
Alphabet Buttons Appear Here
Daughter: Shall I boil the chicken now?
Mom: No, You…... clean it first.
Alphabet Buttons Appear Here
Mom: Remember. You …..always turn off the light before leaving.
Son: Yes, Mom. …….I turn off the light now?
Mom: Wait. You …….get the key first.

4. Homework.
Learn the new words by heart.
Do B4-5 P85-86 in the workbook.
Prepare Unit 14 A1 P.139-140