阅读“Reading 2”中的材料，选出最佳选项。
1．Which is NOT a bean plant does when it is attacked by insects?
A．To release tiny amounts of chemical to warn its neighbour.
B．To release chemical to drive the insects away.
C．To release chemical to drive the wasps.
D．To release chemical to attract wasps.
2．How can a chilli plant tell if its neighbouring plants is helpful?
A．By producing chemical.
B．By sounds.
C．By wood wide web.
D．By insects.
3．Why “wood wide web”is similar to the Internet we use?
A．Because it can use it to communicate.
B．Because it is linked together.
C．Because it can share information.
D．Because it can share food.
[答案] 1－3 CBB
