下列引起头痛的颅外病变是
A.颅骨肿瘤
B.脑膜炎
C.脑栓塞
D.脑震荡
E.蛛网膜下腔出血
参考答案:A
To understand the grammar of the sentence, you must break it __________ into parts. [ ]
A. down
B. up
C. off
D. out
AT的动力传递,是通过()离合器、()离合器和/或()控制各档的传动路线。