Inadrydesertliesasmallseed.Itistheseedofacactus(仙人掌)plant.Theseedliesontheground.Itliesthereforoneyear.Itiswaiting.Thecactusseedmustwaitforrain.Butnotjustanyrain.Itwaitsforaheavyrain.Itneeds

Question

In a dry desert lies a small seed. It is the seed of a cactus (仙人掌) plant. The seed lies on the ground. It lies there for one year. It is waiting. The cactus seed must wait for rain. But not just any rain. It waits for a heavy rain. It needs a heavy rain so it can grow.

One day a heavy rain falls. It makes the seed sprout. The small seed then sends out tiny roots. The roots go down into the earth. A new cactus begins to grow. The growing cactus needs food. Its food is in the seed. The seed feeds the cactus as it grows.

The cactus sends out more roots. They go deeper into the earth. There they reach water. Other roots are not so deep. They take water from light rains. Soon the food in the seed is gone. The new cactus must now make its own food. The cactus takes in light from the sun. It takes in air and water. The cactus turns these into food.

For two or more years the cactus grows. Then it is ready to flower. The cactus produces a bud (花蕾). The bud is the start of a flower. The bud has hairs on it. The hairs help keep animals away.

Then one day there is a flower. But it will not stay for long. The cactus needs to save its food and water. So it keeps its flower only a few days. Then seeds fall from the flower. They fall to the ground. Here they lie for a year. They lie and wait for rain. One day they will grow into a new cactus.

60. Why does the seed of a cactus lie on the ground?

   A. To wait for a heavy rain to grow.

   B. To avoid being hurt by animals.

   C. To wait for a strong wind to send it far away.

   D. To continue its growth after falling from the cactus.

61. The growing cactus gets its food from ______.

   A. the wind       B. the seed    C. the heavy rain        D. the dry earth

62. What can we learn from Paragraph 3?

   A. The roots of the cactus can’t go deep into the earth.

   B. The cactus can make water from the air.

   C. The cactus stops growing when its food is used up.

   D. The cactus can create food with light water and air.

63. The hairs on the bud of the cactus are used for ______.

   A. taking in more air           B. absorbing more water

   C. not being eaten by animals  D. not getting burnt by light

Answer 1

ABDC