四六级考试

【单选题】 What is said about the average American in the passage
A．They tend to exaggerate the healthful effect of "light" beer.
B．They usually ignore the effect of exercise on losing weight.
C．They prefer "light" beer and low-calorie bread to other drinks and food.
D．They know the factors that play a positive role in keeping down body weight.

【单选题】 It can be inferred from the passage that the shell should be________.
A．fancy-looking
B．waterproof
C．easily breakable
D．extremely strong

【单选题】 "Viruses waiting for a disease" refers to _________.
A．those viruses carried in the blood of animals
B．some viruses which are at present harmless to man
C．the viruses that reproduce in man without making him iii
D．the still-not-yet-discovered viruses in the jungle

【单选题】 In what way is the market very real for each person or business who is making and selling something
A．It tells you what to produce.
B．It tells you how to grow vegetables.
C．It offers you everything you need.
D．Ii helps you save money.

【单选题】
A、Skirt and sweater.
B．Sweater and basketball shoes.
C．Gloves and dress.
Dress and football shoes.

【单选题】 Which of the following statements about the standard 90 db is NOT true
A．It suits everyone.
B．It can protect only 90 per cent of the working force.
C．It requires 16 quiet hours of rest each day for the ears to recover.
D．It can hardly be applied in reality.

【单选题】 The explanation ______ him to our point of view.
A．changed
B．altered
C．converted
D．transferred

【单选题】 "Why is the university doing so much building""The number of students ______ that there aren't enough classrooms."
A．have increased so rapidly
B．has increased so rapid
C．have increased so rapid
D．has increased so rapidly