Don't look out the window in class. [ ]
A. from
B. to
C. of
D. for
答案:C
隐隐作痛,喜按喜揉者属()
A.寒痛
B.血瘀
C.实痛
D.热痛
E.虚痛
车辆制动次数与燃料消耗成正比,制动的次数越多,浪费的燃油就越多。