3. 读一读,选择正确的单词完成句子。
important dirty clean high fresh alive
1) We can eat the fruit on the plate now. They are
2) The kite is flying
3) We need air to keep us
4) Air is very
5) The vegetables in the basket are
6) The chairs are
7) Is your great-grandfather (曾祖父;曾外祖父) still
8) Fruit and vegetables are very
important dirty clean high fresh alive
1) We can eat the fruit on the plate now. They are
clean/fresh
.2) The kite is flying
high
in the sky.3) We need air to keep us
alive
.4) Air is very
important
to people, animals and plants.5) The vegetables in the basket are
fresh
from the garden.6) The chairs are
dirty
. We can’t sit on them.7) Is your great-grandfather (曾祖父;曾外祖父) still
alive
?8) Fruit and vegetables are very
important
to our health.
答案:
1) clean/fresh 2) high 3) alive 4) important 5) fresh 6) dirty 7) alive 8) important
4. 读一读,选择填空。
( ) 1) We should ______ the air clean.
A.keep
B.keeping
C.kept
( ) 1) We should ______ the air clean.
A.keep
B.keeping
C.kept
答案:
1) A
(
A.make
B.throw
C.take
B
) 2) Please ______ up the toy in the air.A.make
B.throw
C.take
答案:
2) B
(
A.slower
B.slowly
C.slow
B
) 3) The toy moves ______ in the air.A.slower
B.slowly
C.slow
答案:
3) B
(
A.cleanly
B.clean
C.cleans
B
) 4) Are your hands ______?A.cleanly
B.clean
C.cleans
答案:
4) B
(
A.to
B.from
C.for
B
) 5) Look at the smoke ______ the factory.A.to
B.from
C.for
答案:
5) B
(
A.and
B.or
C.but
A
) 6) The birds ______ butterflies are flying in the sky.A.and
B.or
C.but
答案:
6) A
(
A.and
B.or
C.but
C
) 7) We cannot see it, ______ we can feel it.A.and
B.or
C.but
答案:
7) C
( ) 8) There are no trees ______ flowers here.
A.and
B.or
C.but
A.and
B.or
C.but
答案:
8) B
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