下面哪项症状不该出现在眼肌型重症肌无力患者（） A.好发于青少年 B.病变仅限于眼外

高危妊娠孕妇常用监护方法及其临床意义。

Google’s latest efforts to establish an online reading service might have the biggest impact because:

A．it will use a search engine with the fastest speed.

B．it will put into its search engine a large number of books hardly available otherwise.

C．it is famous for its search engine which is accurate and easy to use.

D．it will put into its search engine the most extensive materials ever known to have been scanned.

痉证发生的外感病因有（）

A.感受风邪

B.感受湿邪

C.感受寒邪

D.感受热邪

E.感受暑邪

在感染过程的下列表现中，最易识别的是（）

A.隐性感染

B.潜伏性感染

C.病原体被消灭或排出体外

D.显性感染

E.病原携带状态

机动车通过没有交通信号灯控制也没有交通警察指挥的交叉路口，相对方向行驶的右转弯的机动车让左转弯的车辆先行。