flourish
fade
stem
cultivate
第1题:
25. Why do we call the sun"a life-giving star"?
A. Because it gives us warmth.
B. Because there are some living things on it.
C. Because plants and animals can't live without it.
D. Because people have to live in the dark without it.
第2题:
A few years ago all of them were classed ____ plants.
A: for
B: as
C: to
D: into
第3题:
A.free
B.vacant
C.empty
D.blank
第4题:
From the first paragraph we can learn that ______.
A) very few people have the sensitivity of the blind'
B) blind people can manage to see things, but not clearly
C) not everybody sees with his eyes
D) it is possible to narrow the photosensitive areas of the body
第5题:
Very few ___ his address in the town.
A、has known
B、are knowing
C、know
D、knows
第6题:
A.some
B.few
第7题:
A、too…to
B、very, that
C、so, that
D、such, that
第8题:
24. When you do scuba diving, you can ________.
A. stay in deep water for a long time
B. dive very, very deep
C.live in deep water easily
D. dive freely without any dangers
第9题:
A. a
B. the
C. an
D. /
第10题:
A
Why do plants grow in some places and not in others? Why does some land have so much growing on it,while other land has almost no plants growing on it at all?
To grow plants need several things. One is warmth. In very cold places almost nothing grows. Plants also need water. In very dry parts of the earth only a few unusual plants can grow. That's why dry deserts everywhere are almost not covered by trees or grass.
Plants must also have a place in which to f,ut down their roots and grow. They find it diffi-culr to grow on hard land. The town is built on hard land. The plants here have only the soil found between the cracks of the stones Io grow in.
Another thing plants must have before they can grow is food.
Whar will happen if we try to make things grow on the sandy beach? A few plants,such as beach grass,will grow in sand,L ut most plants won-t. Even if the weather is warm enough.and we water the plants each day. Many of them will die because the sand on this beach has al-most no food for plants.
( )21. According to the passage,plants need _________ things to grow well.
A. two
B. three
C. four
D. five