While she was talking, crying and talking, Noonan discovered a small patch of congealed blood on the dead man's head.
A. becoming thick or solid
B. dark red
C. brownish red
查看答案
Her husband, he told her, had been killed by a blow on the back of the head administered with a heavy blunt instrument...Which is the antonymfor the underlined word?
A. light
B. heavy
C. sharp
气门组不包括哪一个部分?
A. 气门;
B. 气门导管;
C. 气门弹簧;
D. 摇臂
按凸轮轴按传动方式可分为哪几种?
A. 齿轮传动;
B. 链传动;
C. 正时带传动
按凸轮轴的位置可分为哪几种?
A. 下置式;
B. 内置式;
C. 中置式;
D. 顶置式