圆耙主要由()()()()组成。
参考答案:耙组、耙架、角度调节装置、牵引或悬挂装置
补全对话。
A: 1 _____.
B: Why do you like to see pandas?
A: 2 _____.
B: 3 _____?
A: I like to see elephants, too. Because they can dance.
B: Really? 4 _____. By the way, do you want to be an assistant in the
zoo?
A: Well, to work for animals is interesting, but kind of dangerous. I don't like it.
B: 5 _____?
A: I want to be a reporter. I can meet many famous (著名的) people.
1. _____ 2. _____ 3. _____ 4. _____ 5. _____
A. What other animals so you want to see
B. What do you want to be
C. Let's go to see the pandas
D. That sounds interesting
E .Because they are beautiful, but kind of shy
患者女,52岁。主因呼吸困难2h入院。2h前工作中不慎吸入带臭鸡蛋气味的气体后出现呼吸困难。既往体健。体格检查:BP120/75mmHg,神清,两肺呼吸音清,未闻及干、湿性啰音。心率89次/min,律齐,无杂音。腹部查体未见异常。
结合该病例,叙述正确的是()
A.轻度中毒时主要表现为眼和上呼吸道刺激症状
B.中度中毒时还有中枢神经系统的一般中毒症状
C.重度中毒时可有抽搐、意识障碍、昏迷等
D.吸入较高浓度时可引起闪电式中毒
E.高压氧治疗有效
F.不提倡应用糖皮质激素