Questions 8 to 10 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
According the article, ______.

A．Terry is the first one who issued "Report on Smoking and Health".
B．Many articles had already been written on the effect of smoking on human body 30 years ago.
C．Tobacco companies denied the reports that show smoking causing diseases.
D．The problem that smoking causes diseases hasn’t been settled yet.

A．Cells can remain alive outside limits of temperature.
B．Enzyme systems of mammals are efficient only within a narrow range around 37~
C． If the temperature is 38~C, the integrated actions of bodily systems will be damaged.
D．Other animals have a narrower tolerance for temperature changes than mammals and birds.