单项选择题

We are told that adders are ______.

A．normally friendly towards people
B．unlikely to bite except in self-defence
C．fond of attacking anyone in their territory
D．not afraid of human beings

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热门试题

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

If a package or a product is round in shape, it can ______.

A．bring excitement to the consumers
B．attract the consumers' attention
C．catch the eye movement of the consumers
D．produce a happy and peaceful feeling