Ⅲ.七选五
Fish
Fish come in all kinds of shapes, sizes and colors. They first appeared in the oceans of the earth about 500 million years ago. Today there are tens of thousands of different kinds of fish and new species are discovered every year.
Where fish live
__1__ They preferably live in areas where warm and cold currents(水流) meet. And about 40% of fish species are in fresh water. Some of them live in the clear water of rivers while others prefer muddy pond water. A few types of fish can swim in both salt and fresh water.
Senses
Fish have organs that tell them what is happening in the water around them. They can see left and right at the same time. They not only can hear sounds in the water but can also sense sounds that happen on the surface.__2__
Bodies of fish
Fish have no neck. The head and the body are combined. Most fish are shaped like cigars so that they can travel very quickly. Fish are cold-blooded. __3__ The skin of most fish is made out of a special slippery substance(物质). Fish breathe oxygen from the water they live in.
__4__
Fish were among the first animals hunted by primitive(原始的) human beings. Millions of people all over the world depend on fish as a main form of nutrition. In many coastal countries, such as Japan or Norway, people depend on fishing to make a living. __5__ They eat other sea animals and are eaten by other sea creatures, thus keeping up the balance of nature.
A. Dangers to fish
B. The importance of fish
C. Fish are a part of the food chain.
D. Most of the world's fish live in salt water.
E. Their body temperature changes with their surroundings.
F. Fish are also endangered by pollution of the world's oceans.
G. Fish can also feel water movements, thus feeling the dangers that approach them.
1.______ 2.______ 3.______ 4.______ 5.______
答案：1.D 2.G 3.E 4.B 5.C
Ⅳ.语法填空
On Thursday Mrs. Clarke locked the door and went to the women's club as usual.
When she came home she sensed __1__ unusual. Had anyone got in? The back door and the windows were all locked and there was __2__ sign of forced entry. Had anything been taken? She went from room to room checking and __3__(find) her spare camera missing.
The following Thursday she went out at her usual time, but she just took a short walk in a park nearby, came home through the back door and settled down to wait and see what __4__ (happen).
It was 4 o'clock __5__ the front doorbell rang. Mrs. Clarke was making tea at the time. The bell rang again, and then she heard her letter box __6__ (push) open. Picking up the kettle of boiling water, she moved quietly towards the door. A piece of __7__ appeared through the letter box, and then a hand. __8__ wire turned and caught around the knob(旋钮) on the door lock. Mrs. Clarke raised the kettle and poured the hot water __9__ the hand. A sharp cry was heard outside as the wire fell to the floor and the hand was __10__ (instant) pulled back, which was followed by the sound of running feet.
1.________ 2.________ 3.________ 4.________
5.________ 6.________ 7.________ 8.________
9.________ 10.________
答案：1. something 2. no 3. found 4. would happen
5. when 6. being pushed 7. wire 8. The
9. over/on 10. instantly
