单项选择题

In the opinion of the author, （） are being destroyed terribly at present.

A．the oceans
B．the atmosphere
C．the rain forests
D．all the above

相关考题

This passage is mainly about （）A．how Louis Pasteurs fri...

单项选择题This passage is mainly about （）

A．how Louis Pasteur's friend died
B．Louis Pasteur's experience and achievements in curing rabies
C．how Louis Pastear's arm and leg were disabled
D．Louis Pastear cured a boy who had been badly bitten by a mad dog

The fact that people in many countries sent money to he...

单项选择题The fact that people in many countries sent money to help build the Pasteur Institute shows that （）

A．Pasteur was respected by people
B．the people supported Pasteur's research on rabies
C．the people rewarded Pasteur for the discovery
D．the people know he lived a poor life

Though Pasteur was in poor health, he worked hard in or...

单项选择题Though Pasteur was in poor health, he worked hard in order （）

A．to make a living
B．to prevent the dog from rabies
C．to find a good way to cure rabies
D．to protect children from mad dogs