节温器是通过改变冷却水的（）来调节冷却强度，目前汽车上多采用（）式节温器。
参考答案：循环路线；石蜡
Mr Smith ________ his wife and daughter ________ going to the Great Wall. [ ]
A. as well as; is
B. as well; are
C. as well as; are
D. as well; is
小儿用药剂量计算比较合理的方法是
A．身高计算法B．年龄计算法C．根据成人的剂量换算D．体表面积计算法E．体重计算法
