配对阅读。左栏是5个人想做的事情，请从右栏为每个人选择最合适的一项，并将答案的字母编号填写在题前。

小题1: Carol is an assistant in a company. She is interested in English and wants to buy some newspapers to read so that she can improve it.

小题2: Mr Smith wants to travel to Africa. He wants to get some information about the climate and the culture in Africa.

小题3: Linda wants to know something about the inventions such as shoes with adjustable heels.

小题4: Helen hopes that she can give some help to the people who lost their home in the flood.

小题5: Lily doesn’t want to stay at home and read books all day during the winter holiday. She plans to take some lessons on singing.

读主要温室气体对全球气候变暖影响程度对比表。

1．CO2对全球气候变暖“贡献”最大的主要原因是：

A．CO2的年增长率大于其它温室气体   B．CO2在大气中的存留时间比其它温室气体短

C．CO2的温室效应强度比其它温室气体大  D．CO2的浓度远高于其它温室气体

2．温室气体使全球气候变暖的最主要原因是：

A．使地面直接吸收的太阳辐射能量增多  B．使太阳活动增强从而到达地面太阳辐射增多

C．使大气直接吸收的太阳辐射能量增加  D．使大气吸收的地面辐射增多大气逆辐射增强

3．2009年在某国召开了各国首脑会议以促进遏制全球气候变暖的国际合作。2010年3月中国通知联合国秘书长和某国政府，中国批准了这一次会议达成的共识。“某国”是：

A．日本    B．美国       C．丹麦          D．巴西