某部位黏膜受抗原刺激后,无抗原诱导的其他黏膜部位是否同样产生抗原活化细胞()
A.同样产生
B.不产生
C.不一定
D.微量产生
E.以上都不是
参考答案:A
You can never know ________ when she received our nice birthday presents.
A.how Mary was excited
B.how excited Mary was.
C.How excited was Mary
D.Mary was how excited
航向的半航道扇区内ILS基准数据点处的位移灵敏度的标称值为()
A.0.155DDM
B.0.0775DDM
C.0.00145DDM/m
D.0.18DDM/m