用于艾滋病特异性抗体检测,作为确诊的试验是()
A.酶联免疫吸附试验
B.放射免疫测定
C.间接免疫荧光检查
D.免疫印迹法
E.补体结合试验
参考答案:D
Read and choose. (读下面的对话,补充完整)
A: How do you do!
B: 例: (F)
A: Andy,who is your good friend?
B: 1( )
A: What does he look like?
B: 2 ( )
A: What is he like?
B: 3 ( )
A: What is he good at?
B: 4 ( )
A: What's his hobby?
B: 5 ( )
A. His hobby is swimming.
B. He is tall. His hair is black.
C. Sam is my good friend.
D. He is friendly.
E. He is good at maths.
F. How do you do!
从运输业发展的历史和现状看,各种运输方式在运输市场和技术发展上相互协作配合()