以下关于法洛四联症描述错误的是（） A.红细胞增多 B.肺循环血_爱下问搜题

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问题单项选择题

以下关于法洛四联症描述错误的是（）

A.红细胞增多

B.肺循环血量增多

C.血液经室间隔由右向左分流

D.常见发绀型先天性心脏病

E.血红蛋白增多

答案

参考答案：B

补全对话，情景问答

找出相对应的答案，将序号填在题前括号里。

( ) 1. Look! What can you see?
( ) 2. Where is the man?
( ) 3. What is Jenny doing now?
( ) 4. What would you like?
( ) 5. Would you like a cup of tea?

A. He is on the train.
B. I can see some tea on the desk.
C. I'd like an orange.
D. She is reading a book.
E. Yes, please.

问答题简答题

说明自然界物质系统的基本特点？