椎-基底动脉系统短暂性脑缺血发作不可能出现的临床表现是()
A.失语
B.眩晕、呕吐
C.平衡障碍
D.眼震、复视
E.交叉瘫
参考答案:A
After supper Wang Wei put her head down on her pillow and went to sleep but I stayed _______.
A.to be waking
B.waked
C.waking
D.awake
导游服务水平的提高是一个过程,它依赖于______的累积和______的熏陶。