锅炉调整布置是指炉膛和()之间的相互关系和相对位置关系。
A.排渣设备
B.汽泡
C.对流烟道
D.主蒸汽出口
参考答案:C
根据句意及首字母提示填词。
1. — What time do you get up in the morning?
— I get up at a q____ past six.
2. My father is a d____, he works in a hospital.
3. — Who are the old man and the old woman in the photo?
— They are my g____.
4. — Does your brother have a r____ face?
— Yes, and he has small eyes.
5. Please look a____ your sister at home.
目前临床上检测HBsAg主要采用
A.间接免疫荧光法
B.直接免疫荧光法
C.ELISA
D.比浊法
E.免疫印迹法