According to the researchers, cream sours faster than butter because bacteria ______.
A. are more evenly distributed in cream
B. multiply more easily in cream than is butter
C. live on less fat in cream than in butter
D. produce less waste in cream than in butter
查看答案
Which of the following can not reduce the amount of carbon ？
A. Catching a bus.
B. Cycling.
C. Driving electric car.
D. Flying to go on holiday.
Prey is more likely to dream than predators.
A. Right
B. Wrong
C. Not mentioned
Which of the following is true about Rockefeller Center？
A. It consists of 90 buildings.
B. It's on Sixth Avenue.
C. You can enjoy yourself in Rockefeller Plaza.
D. There is an ice-skating ring all the year round.
Which of the following is recommended by experts？
A. Riding bicycles for a long distance.
B. Walking vigorously with arm weights.
C. Weight lifting.
D. Arm stretching.
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