1. We should not cut down
2. There is not
3. The Earth is
4. Let
5. We have
too many
trees. 2. There is not
much
water in many
places. 3. The Earth is
our
home. 4. Let
me
draw. 5. We have
fun
in the classroom.答案：1. too many 2. much, many 3. our 4. me 5. fun
Liu Tao: People are
Su Hai: The wood
Su Yang: Trees can also keep the air
Liu Tao: Yes, the trees are important(重要的) to us.
Su Yang: So we should not
Su Hai: You’re right and we can
Liu Tao: That’s a great idea! Let’s do it.
using
wood to
make
tables and chairs. Su Hai: The wood
comes
from
trees. Su Yang: Trees can also keep the air
clean
. Liu Tao: Yes, the trees are important(重要的) to us.
Su Yang: So we should not
cut
down
too many trees. Su Hai: You’re right and we can
plant
more trees. Liu Tao: That’s a great idea! Let’s do it.
答案：using, to make, comes from, clean, cut down, plant
(
(
(
(
T
) 1. Water is very important to people. (
F
) 2. We can live without water. (
F
) 3. Water is everywhere around us. It’s not very important. (
T
) 4. If we don’t save water, the last drop of water on Earth will be our tears one day.答案：1. T 2. F 3. F 4. T