根据句意和图画提示完成对话。

1.—What do you do, madam?

   —Thieves don't like me. I am a __________. 

2. —What's your job, young man?

    —I am very busy when people go out to dinners. I'm a ___             .

3. —Excuse me. What are you?

    —Can you guess? I work for the TV station and meet a lot of meet people.-So you are a ________.

    —You are right.

4. —What do you want to be?

    —I want to be a __________．

5. —What does your father do?

    —He is a __________. But he wants to be an __________.  

胃粘膜表面的粘液是下列哪些细胞分泌的（）

A.胃粘膜表面上皮细胞、贲门腺、幽门腺及胃底腺颈粘液细胞

B.胃粘膜表面上皮细胞、贲门腺、幽门腺及胃体腺颈粘液细胞

C.胃粘膜表面内皮细胞、贲门腺、幽门腺及胃底腺颈粘液细胞

D.胃粘膜表面内皮细胞、贲门腺、幽门腺及胃体腺颈粘液细胞