Ⅰ.阅读P27课文内容，从三个选项中选择最佳答案
1．Snakes attack humans ．
A．only if they are disturbed or feel threatened
B．only if humans are disturbed or feel threatened
C．only if snakes are shy and disturbed
2．How many kinds of spiders are there in Australia?
A．170. B．2，000.
C．160.
3．How many deaths have been caused by sharks in the last five years?
A．5. B．3. C．6.
【答案】 1.A 2.B 3.B
Ⅱ.阅读P27课文内容，判断正误(T/F)
1．About two thirds of the snakes in Australia are poisonous. ( )
2．Many Australians are bitten by spiders and can't recover. ( )
3．Most of the sharks in the seas of Australia are harmless to humans. ( )
【答案】 1.T 2.F 3.T
