单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

A. They will visit Betty.
B. They will ask for help from their professor.
C. They will call for help from Betty.
D. They will have a break.
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填空题
Of the thousands of different kinds of animals that exist in the world man has learned to make friends with an enormous number. Some are pets, and offer him (36) ; some give him protection, and some do hard work which man cannot do for himself. The (37) of certain countries are (38) for their very lives on the camel, the yak, or the reindeer. In the West Indies the little donkey, strong and surefooted, carrying heavy loads even in (39) places, is a familiar sight. Trained and (40) for many generations, (41) animals are not (42) to roaming in search of food and (43) . They look to their masters to provide for their needs. (44) . All domestic animals need proper food. It must be suitable for them, sufficient in quantity, fresh and clean. The quantity of food depends on the size of the animal and the amount of exercise it takes. (45) . Even well cared-for animals may sometimes fall ill. If this happens, the wise master seeks the best advice he can get. All sorts of medicines and treatments are available for sick animals, and in some countries, organizations exist to provide them free or at cheap prices. (46) .
单项选择题
A. John had given up his old job before he went to Canada.B. John’s old job has been taken over by someone else.C. John doesn’t want to go back to his old job.D. John has taken his old job back.
A. John had given up his old job before he went to Canada.
B. John’s old job has been taken over by someone else.
C. John doesn’t want to go back to his old job.
D. John has taken his old job back.
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