椎动脉型颈椎病的特点是()。
A.头痛头晕,耳鸣眼花
B.声音嘶哑,吞咽困难
C.心率改变,听力下降
D.头部旋转时眩晕,甚至猝倒
E.上肢窜痛窜麻
参考答案:D
If you still remember the ______ time of the accident, please tell us. We would ______ your help.
A.approximate; appreciation
B.approximately; appreciate
C.approximate; appreciate
D.approximately; appreciation
某人的电子邮件到达时,若他的计算机没有开机,则邮件_______。
A.退回给发件人
B.开机时对方重发
C.该邮件丢失
D.存放在服务商的E-mail服务器