1. Which of the following is NOT the function of kidneys?
A The purification of water.
B The release of hormones and enzymes.
C The regulation of pH levels.
D The regulation of minerals.
2. Which of the following is Not the disadvantage of being connected to a dialysis machine?
A Patients cannot do fully the weekly routine they are used to.
B Patients should be checked regularly until a transplant is performed.
C Patients get physically tired.
D Patients cannot travel far from home.
答案：1. A 2. B内容来自 听力课堂网：http://www.tingclass.net/show-5859-19072-1.html