单项选择题

Passage One

A. Dogs have a natural instinct to guide the blind.
B. Horses have a natural instinct to return home.
C. Guide dogs sometimes may not obey their masters.
D. Racing horses are less smart than the other horses.
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单项选择题
A. He is going to be arrested.B. He is accused of damaging books.C. He has lost some valuable books.D. He did not return books on time.

A. He is going to be arrested.
B. He is accused of damaging books.
C. He has lost some valuable books.
D. He did not return books on time.
单项选择题
A. The average published price for them was about 7000 dollars.B. They need to pay only a little more than local students.C. The total sum for them may be nearly 30,000 dollars on average.D. They can receive better education than local students.

A. The average published price for them was about 7000 dollars.
B. They need to pay only a little more than local students.
C. The total sum for them may be nearly 30,000 dollars on average.
D. They can receive better education than local students.
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