通过颈静脉孔()穿经内耳门()
A．舌咽神经
B．副神经
C．两者均是
D．两者均否
参考答案：C,D
―Isn’t it hard to drive downtown to work?
—Yes, that’s why I ________ to work by train.
A．have been going
B．have gone
C．was going
D．will have gone
既有约数3，又能被2和5整除的最大两位数是______，把这个两位数分解质因数是______．
