第3题: [单项选择]If the needle valve in a fuel injection nozzle sticks open (). A. no fuel will be delivered through the nozzle B. the nozzle will overheat and crack C. time of injection will change D. fuel will leak into the drain line 参考答案:C
第4题: [单项选择]急性间质性肾炎的病变主要位于() A. 肾间质 B. 肾间质及肾小管 C. 肾间质及肾小球 D. 肾血管 E. 以上均不是 参考答案:B