脊髓亚急性联合变性患者可出现双下肢瘫痪，检查可见（） A.下肢肌张力增高 B.下肢肌

列式计算．

（1）128加84除以7的商，结果是多少？

（2）703与295的差除以51，商是多少？

简述关于胆脂瘤型中耳炎形成机制的"囊袋内陷学说"。

能将矩形波变成尖脉冲的RC电路称为积分电路。（）

The present meeting is being held at thje request of Syria and Lebanon, a request with what the Maoritanian delegation completely associates itself.

A. to which
B. with what
C. with that
D. with which

货物运单的作用有哪些？