制动装置是通过()原理来实现制动的
A、摩擦
B、压紧
C、电磁吸力
D、重力
参考答案:A
An agreement seems to be impossible because the majority of the committee members are
________ it. [ ]
A. against
B. for
C. to
D. with
瘀血阻滞所致的内伤发热,其主要特征是()
A.午后或夜间发热
B.自觉身体局部发热
C.口干咽燥而不欲饮
D.身体有固定痛处
E.心悸不宁