单项选择题

It's indicated in the passage that something important should be known for us（）

A．if you live wherever there is Lyme disease
B．when you go out gardening or walking
C．if you are playing with your dog
D．when you are traveling around

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热门试题

单项选择题This passage tells us that（）

A．the United Nations thinks it possible to avoid a population explosion
B．5.1 billion people are living in the underdeveloped countries
C．in advanced nations the population growth is being controlled
D．the world's population is increasin

单项选择题According to the second paragraph, the LYMErix is（）

A．suitable for people at any age
B．lined with no side effects
C．used to protect all people
D．a safe and effective way to prevent Lyme disease