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B
Plants have roots, leaves and flowers. They have seeds, too. New plants grow from seeds. Some seeds fall on the ground. New plants grow next to the old plants. When plants grow in this way, they are too crowded to get enough sunlight and water. So some of them die. But some plants spread (传播) their seeds even far from where they live. These seeds grow in new places (地点). There are many ways for the seeds to travel.
The wind helps seeds to travel. Some plant seeds have little wings (翅膀). When the wind blows (吹), the seeds fly away. Soon they fall to the ground (落地) and new plants may grow there. Some plants dry up. The wind pulls them up from the ground, but they are so big that they can’t fly. They roll (卷) along the ground, dropping off their seeds.
Other plants grow near the water. Their seeds drop (落) into the water and go away with it. They may travel many miles (英里) before they stop.
Some seeds have special parts called “stickers”. The stickers help the seeds travel far. How do the seeds travel? These seeds wait for an animal to walk by. Then they stick into its fur (毛) to get a free (免费的) ride (旅途). Sometimes it’s a long trip. Birds carry some plant seeds to new places, too.
Seeds can’t walk. They can’t run. But they can travel with the help of wind, water and animals.
根据语篇内容,选择最佳选项。
(
A. Some of them can live better.
B. Some of them can grow taller.
C. Some of them will die.
D. Some of them will be stronger.
(
A. The wings. B. The seeds. C. The birds. D. The plants.
(
A. Leaves and flowers. B. Roots and stems.
C. Wings and the sunlight. D. Wind, water and animals.
(
A. The growth of the plants. B. The kinds of the seeds.
C. The travel of the seeds. D. The ways of plants to grow better.
(
A. ①②③④⑤ B. ①②③④⑤ C. ①②③④⑤ D. ①②③④⑤
Plants have roots, leaves and flowers. They have seeds, too. New plants grow from seeds. Some seeds fall on the ground. New plants grow next to the old plants. When plants grow in this way, they are too crowded to get enough sunlight and water. So some of them die. But some plants spread (传播) their seeds even far from where they live. These seeds grow in new places (地点). There are many ways for the seeds to travel.
The wind helps seeds to travel. Some plant seeds have little wings (翅膀). When the wind blows (吹), the seeds fly away. Soon they fall to the ground (落地) and new plants may grow there. Some plants dry up. The wind pulls them up from the ground, but they are so big that they can’t fly. They roll (卷) along the ground, dropping off their seeds.
Other plants grow near the water. Their seeds drop (落) into the water and go away with it. They may travel many miles (英里) before they stop.
Some seeds have special parts called “stickers”. The stickers help the seeds travel far. How do the seeds travel? These seeds wait for an animal to walk by. Then they stick into its fur (毛) to get a free (免费的) ride (旅途). Sometimes it’s a long trip. Birds carry some plant seeds to new places, too.
Seeds can’t walk. They can’t run. But they can travel with the help of wind, water and animals.
根据语篇内容,选择最佳选项。
(
C
)31. What will happen if plants are crowded?A. Some of them can live better.
B. Some of them can grow taller.
C. Some of them will die.
D. Some of them will be stronger.
(
B
)32. What does the underlined word “they” refer to?A. The wings. B. The seeds. C. The birds. D. The plants.
(
D
)33. What can help the seeds to travel according to the passage?A. Leaves and flowers. B. Roots and stems.
C. Wings and the sunlight. D. Wind, water and animals.
(
C
)34. What’s the best title for the passage?A. The growth of the plants. B. The kinds of the seeds.
C. The travel of the seeds. D. The ways of plants to grow better.
(
C
)35. What’s the structure of the passage?A. ①②③④⑤ B. ①②③④⑤ C. ①②③④⑤ D. ①②③④⑤
答案
31. C
32. B
33. D
34. C
35. C
32. B
33. D
34. C
35. C
