单项选择题

This passage is probably taken from ______.

A．a business letter
B．an introduction
C．an instruction
D．an advertisement
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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
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
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