[单项选择]The old computers ______ useless. They were put aside.
A. be
B. ran
C. kept
D. became

[多项选择]A few years ago, computers were used only in business, in medicine, and for scientific research, ______ these days they are common in almost all schools.
A. thought
B. whereas
C. so
D. therefore

[单项选择]The Cooperative Principles were put forward by ______.
A. John Langshaw Austin B. J. Firbas
B. Herbert Paul Grice
C. H. L. Smith

[单项选择]

You have just got a new computer and you are delighted with it. It is doing everything you wanted your new computer to do. But what are you going to do with your old computer Have you ever wondered what other people do with their old computers In the past they have often paid high prices for their old computers, but how much do you think these computers are worth now Few people want to buy a computer that has become out of date or has been replaced by a newer model. Unfortunately, the only thing you can do with a computer that you have had for five or six years is to throw it away with your other garbage!
What do many people do when they try to sell their old computers Foolishly, they take into account its original cost and then reduce the price according to the age of the computer rather like a second-hand car. They are wrong. They forget that new computers are becoming cheaper every
A. repair it
B. threw it away
C. sell it at a high price
D. put it in a safe place for future use

[单项选择]The author put forward suggestions to the old people except ______.

[单项选择]Who were the first settlers of the old Southwest


A. Indians.
B. Mexicans.
C. British Pilgrims.
D. Spaniards.

[单项选择]As the old empires were broken up and new states were formed, new official tongues began to ______ at an increasing rate.
A. bring up
B. build up
C. spring up
D. strike up

[单项选择]In the old days dogs were used for the following EXCEPT______.
A. hunting other animals.
B. driving sheep.
C. guarding chickens.
D. keeping thieves away.

[单项选择]Some old pots （　） clay were found lying （　） to the dead body.
A. made from; closely
B. made of; close
C. made by; closely
D. made up of; close

[单项选择]The old man and his dog were （　） to each other.
A. helped
B. attached
C. formed
D. engaged

[单项选择]When put in water, the sticks ______ they were broken.
A. look as
B. look that
C. seem like
D. look as if

[单项选择]Computers have many uses today. Computers can solve difficult (56) and control complex machines. Many people use small computers (57) calculators to add, subtract, multiply, and divide (58) quickly. Scientists use large computers to solve many problems at the same (59) . You can play (60) with computers, and some computers can help you (61) languages. The Kurzweil Reading Machine is a special (62) of computer. It can read books for blind people
The Kurzweil machine consists (63) three parts: a scanner, a computer, and a voice synthesizer (合成器). These (64) parts are like your eyes, your brain, (65) your voice. The scanner is (66) "eye" of the machine. It scans or looks at the words on the page of a book and (67) them into digital signals. These digital signals then (68) to the computer, the "brain" of the machine. The computer analyzes the (69) and recognizes the words. The computer (70) <
A. form
B. kind
C. term
D. series