单项选择题
A．She was bored with her idle life at home. B．She was offered a good job by her neighbor. C．She wanted to help with the family’s finances. D．Her family would like to see her more involved in social life.
A．To predict natural disasters that can cause vast destruction. B．To limit the destruction that natural disasters may cause. C．To gain financial support from the United Nations. D．To propose measures to hold back natural disasters.
A.human civilization remains glorious though it is affected by climatic changes B.mankind is virtually helpless in the face of the dramatic changes of climate C.man has to limit his activities to slow down the global warming process D.human civilization will continue to develop in spite of the changes of nature