单项选择题

If an adder hears you coming, it will usually ______.

A．take no notice of you at all
B．attack you before moving away
C．wait until you are close and then attack
D．move out of your path
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单项选择题
If you are with someone who is bitten by an adder, you should ______.
A．try to catch the adder
B．make no attempt to treat the bite by yourself
C．not worry about the victim (受害者)
D．operate on him as soon as possible
单项选择题
Where do you know adders axe to be found
A．In many parts of Britain and Ireland.
B．Everywhere in Britain expect, Scotland.
C．On wild land throughout Britain.
D．In shady fields in Scotland.
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