____________是左心衰竭最早出现的症状，是因运动使回心血量增加，左房压力增高，加重了_________。
参考答案：劳力性呼吸困难 、肺淤血
按要求完成句子，每空一词
1. She comes from Suqian. (对划线部分提问)
___________ ___________ she come from?
2. He makes a model plane at home. (用now 改写本句)
He __________ ____________ a model plane at home now.
3.Mr. Wu is a teacher. He teaches us English. ( 改为同义句)
Mr. Wu is ____________ ___________ teacher.
4. Bob does his homework at 7:00 p.m. every day. (改为否定句)
Bob __________ _________ his homework at 7:00 p.m. every day.
5. How do you like the film? ( 改为同义句)
___________ do you __________ ___________ the film?
公安教育有学校教育和( )教育两种。
A．民警在职
B．科研
C．职业技能
D．技术装备
