主动脉粥样硬化最主要的后果是（）
A.休克
B.主动脉瘤
C.高血压
D.肠梗阻
E.脑栓塞
参考答案：B
补全对话。
A: Hi, Jack. What are you doing?
B: I'm a book about animals.
A: Oh, great. Is the dog writing a letter?
B: No, he isn't.
A: Is he the bones?
B: Yes, he is. He is hungry.
A: Where is the bear? Is he having a ?
B: No? he isn't. He doesn't like picnic.
A: is he doing?
B: He is pictures.
下列反应中，相关示意图像错误的是（ ）
