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(
A.cut down trees
B.waste water
C.not drive so much
C
)2.We should .A.cut down trees
B.waste water
C.not drive so much
答案:
C
(
A.to make
B.make
C.makes
A
)3.We use paper paper bags.A.to make
B.make
C.makes
答案:
A
(
A.Too many;too much
B.Too much;too many
C.Too many;too many
B
)4.plastic is bad for the Earth. There are plastic bags now.A.Too many;too much
B.Too much;too many
C.Too many;too many
答案:
B
(
A.We cut down trees.
B.We drive cars every day.
C.We use glass bottles.
C
)5.—How do we protect the Earth? —A.We cut down trees.
B.We drive cars every day.
C.We use glass bottles.
答案:
C
(一)
A:Look! What are they
B:They're
A:Can we do it?
B:No,we
(二)
A:Can we
B:No,we
A:Why?
B:Trees can keep the air clean.
A:What can we use wood to do?
B:We can use wood to
A:Look! What are they
doing
?B:They're
throwing rubbish
into the river.A:Can we do it?
B:No,we
can't
. We should keep
the water clean.(二)
A:Can we
cut
down too many
trees?B:No,we
can't
.A:Why?
B:Trees can keep the air clean.
A:What can we use wood to do?
B:We can use wood to
make
tables,chairs and many other things.
答案:
(一)1. doing 2. throwing rubbish 3. can't 4. keep (二)1. cut 2. many 3. can't 4. make
七 阅读短文,判断句子的正误,正确的写“T”,错误的写“F”。
Water is very important for living things. Without water,there can be no life on the Earth. All plants and animals need water. Man also needs water. We need water to drink,to cook food and to clean things. Water is needed in farms,factories,offices,schools and families. Water is found in seas,rivers and lakes. It can be found everywhere in the world,and it can also be found in the air. Clouds are also made of water. Ice is also water.
(
(
(
(
(
Water is very important for living things. Without water,there can be no life on the Earth. All plants and animals need water. Man also needs water. We need water to drink,to cook food and to clean things. Water is needed in farms,factories,offices,schools and families. Water is found in seas,rivers and lakes. It can be found everywhere in the world,and it can also be found in the air. Clouds are also made of water. Ice is also water.
(
F
)1. Some living things can live without water.(
T
)2. We need water to drink,to cook food and to clean things.(
T
)3. Water can be found on the Earth and in the air.(
F
)4. Farms,factories and schools all don't need water.(
T
)5. Clouds are made of water.
答案:
1. F 2. T 3. T 4. F 5. T
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