以凝汽式火电厂为例,整个生产过程可分为哪三个系统()。
A.燃烧系统
B.汽水系统
C.电气系统
D.机械系统
参考答案:A, B, C
单项选择。
请选择与句子划线部分相近的词或词组。
1. Where are you from? [ ]
A. is, from
B. come, from
C. do, come from
2. — OK. See you later.
— See you.
[ ]
A. Good-bye.
B. Hello!
C. How do you do?
3. The man in black is Mr. King. [ ]
A. in the black
B. in the black clothes
C. with the black
4. In Photo One, there is a car.
A. One Photo
B. Photos
C. Picture One
5. His mother isn't old.
A. is tall
B. is short
C. is young
患者,女性,53岁,胸闷气急3周,胸片示右侧大量胸腔积液,胸穿抽出血性胸水1000ml。
最可能的病因为()
A.结核性胸膜炎
B.癌性胸腔积液
C.肺炎伴胸腔积液
D.自发性液气胸
E.漏出性胸腔积液