淋巴和血浆都属于内环境的组成成分，且在成分上类似，但是[ ] _爱下问搜题

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问题选择题

淋巴和血浆都属于内环境的组成成分，且在成分上类似，但是[ ]

A．淋巴中无蛋白质

B．淋巴中的蛋白质比血浆中的多

C．淋巴中的蛋白质比血浆中的少

D．血浆中无大分子蛋白质

答案

答案：C

填空题

在关系数据模型中，二维表的列称为属性，二维表的行称为【6】。

补全对话，情景问答

给下列句子选择正确的答语。

( ) 1. Who's this man?
( ) 2. Are they in the bedroom?
( ) 3. What would you like for dinner?
( ) 4. How many picture-books do you have?
( ) 5. What colour is your sofa?
( ) 6. Mom, can I help?
( ) 7. Where's your grandpa?
( ) 8. What's your sister?
( ) 9. What's her name?
( ) 10. Boy or girl?

A. I‘d like some chicken for dinner.
B. It's blue.
C. He's our teacher Mr. Black.
D. He's in the living room.
E. Her name is Jane.
F. No, they aren't.
G. She's a farmer.
H. I have eight.
I. Yes, pass me a fork, please.
J. A boy.