流注的病位在肌肉，而并不附骨而生。

新兴小区开展节约用水活动，王奶奶家上半年节约水费21.6元．张奶奶家第一季度共节约水费16.2元，谁家平均每月节约的水费多？

吐温类的化学名称是（）

A.脂肪酸甘油酯

B.脂肪酸山梨坦

C.聚山梨酯

D.卵磷脂

E.苄泽

— Tom hasn't turned up yet. He might have got lost.

— No, he ________. His car has got a GPS.[    ]

A. must not have got lost  

B. wouldn't have got lost

C. can't have got lost  

D. shouldn't have got lost

元代妇女缠足在北方也极为盛行。

提出“计算机硬件由运算器、存储器、控制器、输入设备和输出设备等五大逻辑部件组成”的科学家是______。

A．牛顿

B．摩尔

C．比尔盖茨

D．冯诺依曼