下列具有润滑肠壁、软化粪便，且不被吸收的药是（）A．甘油  B．硫酸镁  C．酚酞

患牙可见较深的龋洞，牙冠变色，牙髓呈黑绿色外观，散发恶臭气味。镜下见牙髓结构消失，牙髓细胞核固缩碎裂，整个牙髓呈无结构的红染颗粒。细菌检查见腐败菌感染。该疾病是（）

A.牙髓钙化

B.慢性溃疡性牙髓炎

C.成牙本质细胞空泡变性

D.牙髓纤维性变

E.牙髓坏疽

补全对话

— Sit down, please, take it easy. What's your name, please?

—  Alice.

—      1    .

— My house was broken into last night.

— Can you describe what happened last night?

— Yes. At 6, my husband and I left home to attend a friend's birthday party.      2   .  When I opened

      the door, we found that someone had entered our house by the window.

—       3     .

— Yes. My diamond necklace is gone,     4     .

— Can you tell me anything more?

— The man living opposite our house said he had heard a sound of glass being broken at about 11. After

      a while, he saw a tall man with long hair come out of my house.

— Well,     5     . If we have any news, we'll let you know.

A. Have you got anything stolen?

B. we'll look into the case right away.

C. What's the matter, Madam?

D. Do worry too much about such a case.  

E. so are my computer and two valuable vases.

F. We didn't get home until midnight.

G. We are sure to find out the thief.

空心杯电枢直流伺服电动机有一人外定子和一个内定子，通常（）。

A、外为永久磁钢，风定子为软磁材料

B、外定子为软磁材料，内定子为永久磁钢

C、内、外定子都是永久磁钢

D、内外定子都是软磁材料

《国家篇》是柏拉图中期思想的理念。

下列哪些说法是正确的（）。

A.要约是希望和他人订立合同的意思表示

B.承诺是要约人同意要约的意思表示

C.要约的内容必须包括足以决定合同内容的主要条款

D.承诺必须以通知的方式做出

E.承诺的内容应当与要约的内容一致