Why are the sales of microwaves expected to rise?
A. They are becoming more affordable.
B. They have a shorter life cycle than other appliances.
C. They are getting much easier to operate.
D. They take less tine to cook than other appliances.
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What recommendation does the study by the University of Manchester make?
A. Cooking food of different varieties.
B. Improving microwave users' habits.
C. Eating less to cut energy consumption.
D. Using microwave ovens less frequently.
(4)、 [单选题] （2.0分）What does Professor David Reay try to argue?
A. There are far more emissions from cars than from microwaves.
B. People should be persuaded into using passenger cars less often.
C. The UK produces less CO2 than many other countries in the EU.
D. More data are needed to show whether microwaves are harmful.
(5)、 [单选题] （2.0分）What does Professor David Reay think of the use of microwaves?
A. It will become less popular in the coming decades.
B. It makes everyday cooking much more convenient.
C. It plays a positive role in environmental protection.
D. It consumes more power than conventional cooking.
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