在沸煮法测定水泥安定性时，当试饼法测试结果与雷氏法有争议时，以（）为准。
参考答案：雷氏法
— Are you getting a new car this year?
— ________I can't afford to pay my bills,let alone buy a new car. [ ]
A. You said it!
B. I'd like to replace the old one.
C. That's what you think.
D. You must be joking!
肝和肾是耐受缺血缺氧较差的器官，在常温下阻断血流肝脏不得超过（）分钟，肾脏不得超过（）分钟。
