题目内容

蛋白质营养价值的高低取决于

A. 氨基酸的种类
B. 氨基酸的数量
C. 必需氨基酸的种类、
D. 必需氨基酸的数量及比例

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What kind of race in the UK is discussed in the news report?

A. Horses compete in how fast they can run.
B. Horses with riders compete with runners.
C. Horse riders compete with other horse riders.
D. Horses compete in how much weight they can carry.

What is an extra challenge for the horses in the race?

A. Only horses need to cross a river.
B. Only horses need to run two extra miles.
C. Only horses need to go up and down hills.
D. Only horses need to carry an extra weight of rocks.

What is surprising?

A. Horses have won all the time.
B. Runners often beat the horses.
C. Only two horses have won the race.
D. Two runners were able to beat the horses.

What do we know about the museum in Xi'an?

A. Cats often hurt museum visitors.
B. Cats have been living at the museum.
C. Only visitors take care of the cats at the museum.
D. Visitors complain about the cats at the museum.

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