绿色植物对环境有降低温度和增大湿度的作用，绿色植物调节气候的作用与下列哪一因素有密切关系？

A．光合作用

B．呼吸作用

C．吸收作用

D．蒸腾作用

The discovery of the connection between aspirin and Reyessyndrome, a rare and deadly ailment, is a recent example of the caution with which drugs must be used, even for medical purposes.

A．disease

B．sick

C．ill

D．illness