28、
A.They could get protection from wild beasts.
B.They wanted to move around easily.
C.Natural shelters were very uncomfortable.
D.Permanent dwellings were easy to construct.
29、
A.Functional and beautiful buildings.
B.Buildings that can shelter from bad weather.
C.Buildings that can satisfy people's aesthetic desires.
D.Tall buildings with beautiful decoration.
30、
A.The principle of function.
B.The enclosing of space.
C.Protecting people from beasts.
D.Artistic expression.
31、听材料，回答下列问题：
A.The windows.
B.The front door.
C.The living room.
D.The back door.
32、
A.Having doom with glass in them.
B.Having a good quality lock.
C.Hiring a strong gatekeeper.
D.Having a good neighbor,
33、
A.Leave all the things to your neighbor to look after.
B.Tell the post office to keep the mail until you come back.
C.Cancel the delivery during the time you are not at home.
D.Make sure there will be always someone in the house.
34、听材料，回答下列问题：
A.They are highly intelligent animals.
B.They are too huge to measure.
C.They are blue and difficult to see.
D.They can move in three dimensions freely..
35、
A.They look true blue underwater.
B.They look blue on the surface.
C.They have blue underbellies.
D.They have blue microorganisms.
36、
A.They can emit a series of pulses, groans, and moans.
B.They can cruise the ocean at more than 20 miles an hour.
C.They can navigate the lightless ocean depths.
D.They can swim very fast and have excellent hearing.
二、听力填空
Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is read for the third time, you should check what you have written.
37、听材料，回答下列问题：
Directions: In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard.Finally, when the passage is read for the third time, you should check what you have written.
Shift work is concentrated in the most dangerous areas of employment. It has various effects on health and daily life. Shift workers, especially those who work nights, can 26 a number of health problems. They include sleep 27 , depression, high blood pressure, heart disease, and 28
Experts now realize that sleep loss are dangerous and that night shift always results in sleep loss. Most people need 8 hours of sleep a day to feel 29 . Parts of the night sleep are spent in light sleep stages and the other parts of the night are spent in deep sleep stages.
If you work the night shift and sleep during the day, there are many things that can 30 your deep sleep and awaken you during your light sleep phase. Noise is the biggest problem. Daytime sleepers have to 31 noisy neighbors, children, traffic, lawn mowers and such. Noise is the most common 32 of people who sleep during the day, so noise prevention should be given top priority. When looking for a home to rent or buy, always look for one in a quiet 33
Another sleep 34 is too much light. Our body's entire cycle is based upon light and dark. If you are doing the opposite of this set body program, you are 35 generations of programming. Since sunlight will disturb your day you should choose a house where the bedroom is on the north side of the house. Wear a black eye mask to further block out the light while you are sleeping.
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