制冷设备每个部件出厂前均应经()。
A.耐压试验和气密试验
B.最高压力试验和气密性试验
C.试验压力试验和最高压力试验
D.工作压力试验和最高压力试验
参考答案:A
单词拼写。
1. I h_________ ever eat junk food, because it’s unhealthy food.
2. Maria e__________ every day, so she is in good health.
3. It’s _______( hot ) in summer in Beijing than that in Dalian.
4. Mary is t_________. Please bring her some water.
5. I can’t go to the movies this Saturday. I have to have my piano l__________.
金葡萄肺炎伴胸膜炎()
A.胸液乳白色,加入乙醚变清
B.胸液蛋白3.8g/L、ADA100U/L
C.胸液蛋白4.0g/L、糖1.08mmol/L
D.胸液蛋白4.0g/L、淀粉酶600U
E.胸液蛋白2.0g/L、LDH180IU/L