Ⅳ. 完形填空
Plants Can “Talk”
We often think that plants are quiet. However, scientists have found that plants have their own ways of “talking” to each other. They don’t use words
A
16
we do.
One of the most amazing ways is through smell. When an insect starts to eat a plant, the plant feels in
B
17
. It then releases(释放) a special smell into the air. This smell is a warning to other plants. It tells them, “Be
D
18
! Danger is here!”
B
19
smelling this, other plants will start to make their leaves taste
C
20
. Then the insects don’t like to eat them anymore.
Another way is under the
B
21
. The roots(根) of different plants can be connected by very small fungi(真菌). It is like a secret internet. People call it the “Wood Wide Web”. Through this “Wood Wide Web”, plants can
C
22
water and food. A strong tree can even help a small tree to
B
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.
So, plants are not quiet or boring. The next time you walk through a park, remember that the plants around you are not ______ 24 ______ . They are always “talking” and ______ 25 ______ each other in their own special ways. It’s a busy and wonderful world that we are just beginning to understand.
(
A
)16. A. like B. so C. but D. because
(
B
)17. A. time B. danger C. space D. summer
(
D
)18. A. famous B. late C. sorry D. ready
(
B
)19. A. Before B. After C. During D. Although
(
C
)20. A. good B. sweet C. bad D. hot
(
B
)21. A. water B. ground C. moon D. building
(
C
)22. A. buy B. cook C. share D. find
(
B
)23. A. put up B. grow up C. take up D. make up
(
D
)24. A. careful B. friendly C. serious D. quiet
(
B
)25. A. eating B. helping C. finding D. painting