A.parameter 
B.speedometer  
C.thermometer
D.conscious

A.dangerous
B.opposite
C.interested
D.umbrella

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the question.
Mountaineers have noted that as they climb, for example, up to the 12,633-foot Humphreys Peak in the San Francisco Peaks in Arizona, plant life changes radically. Starting among the cacti of the Sonoran Desert, one climbs into a pine forest at 7,000 feet and a treeless alpine tundra at the summit. It may seem that plants at a given altitude are associated in what can be called “communities” – groupings of interacting species. The idea is that over time, plants that require particular climate and soil conditions come to live in the same places, and hence are frequently to be found together. Scientists who study the history of plant life are known as paleobotanists, or paleobots for short. They build up a picture of how groups of plants have responded to climate changes and how ecosystems develop. But are these associations, which are real in the present, permanent?
A great natural experiment took place on this planet between 25,000 and 10,000 years ago, when small changes in the earth’s orbit and axis of rotation caused great sheets of ice to spread from the poles. These glaciers covered much of North America and Europe to depths of up to two miles, and then, as the climate warmed, they retreated. During this retreat, they left behind newly uncovered land for living things to colonize, and as those living things moved in they laid down a record we can read now. As the ice retreated and plants started to grow near a lake, they would release pollen. Some would fall into the lake, sink to the bottom, and be incorporated into the sediment. By drilling into the lake bottom it is possible to read the record of successive plant life around the lake. The fossil record seems clear; there is little or no evidence that entire groups of plants moved north together. Things that lived together in the past don’t live together now, and things that live together now didn’t live together in the past. Each individual organism moved at its own pace. The fossil record seems to be telling us that we should be thinking about preserving species by giving them room to maneuver – to respond to environmental changes.
The passage states that by drilling into the lake bottom it is possible to find successive fossils of _______.
A.plant life   
B.sediment                 
C.ice                   
D.pollen

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Tom’s eyes were red                 he had been swimming in a chlorinated pool.
A.so                            
B.but
C.because                   
D.in case

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of ther following questions.
Graham was disappointed because he _______ for the bus for an hour.
A.was waiting
B.waited 
C.has been waiting
D.had been waiting

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
If you want to be kept informed about current affairs, you should listen to

the radio.  
A.Listening to the radio and you will be kept informed about current affairs.
B.A good way of keeping yourself informed about current affairs is listen to the radio.
C.Listening to the radio is a good way of keeping yourself informed about current affairs.
D.Only by listening to the radio, you can keep yourself informed about current affairs.

Choose the underlined part that needs correction.
Disease, pollute, and limited distribution are factors that threaten various plant and animal species.                               
A.pollute
B.are
C.factors
D.threaten

(33)
A.misunderstand
B.misdirect  
C.miscarry      
D.misbehave

____29____
A.making      
B.doing          
C.taking         
D.having

What is TRUE according to the passage?
A.Computers seriously harm children’s eyesight.
B.Parents should not put off buying a computer for their children.
C.It is better for children to take computer lessons than art lessons.
D.There is no evidence that children who use computers are cleverer than those who do not.