单项选择题

Passage Two
Questions 29 to 32 are based on the passage you have just heard.

A．The importance of dogs in our daily life.
B．Ways to train various kinds of dogs.
C．Methods to collect information about dogs.
D．How to choose an ideal dog for the family.
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单项选择题
A．It happened in the Russian capital.B．More than 139 people were injured.C．The rescue operations were ineffective.D．It was caused by an act of terrorism.
A．It happened in the Russian capital.
B．More than 139 people were injured.
C．The rescue operations were ineffective.
D．It was caused by an act of terrorism.
单项选择题
Dr. Doris had spent 15 years on ______.
A．being a weight counselor
B．writing her book
C．studying psychology
D．being on diet
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