【正确答案】 A

【答案解析】解析：由“And we know factors influencing tissue distribution of drugs include exercise and warming or chilling．”可知应选A。

【正确答案】 D

【答案解析】解析：男士说纽约某些街区充满暴力，又说“But the garbage are tidily bagged and boxed though．”

A、 Most benign tumors needn't be called to the attention of a physician.
B、 People suffering from cancers were born with them.
C、 The distinction between benign and malignant tumors is consequently always impossible.
D、 Some tumors change their nature in the course of years, after a period of benign growth.

【正确答案】 D

【答案解析】解析：男士认为在学习肿瘤的过程中要时刻记住肿瘤的“良性”和“恶性”是相对而言的，而且在诊疗中常存在争议。

【正确答案】 D

【答案解析】解析：男士：我算过了。从这开车去芝加哥大概要5个小时。女士：坐火车去将会很惬意。但我想我们得看我们的开支。女士的话暗示了自己开车去芝加哥会比较便宜。故答案为D。

【正确答案】 B

【答案解析】解析：由女士的话可知她此刻的身体比她预想的要好很多，没想到手术会如此顺利，可以推断出她刚刚做了手术，故选B。