以下哪一种行为不属于防静电措施。()
A.管道接地;
B.加大充装压差;
C.穿戴棉质工作服;
D.铺设不发火花地面。
参考答案:B
— Would you like to come to the party?
— ______.
A.That’s quite all right
B.Yes, why?
C.Oh yes, thank you.
D.I really can’t agree with you.
接种麻疹疫苗的途径是
A.肌内注射B.皮下接种C.吸入D.皮内接种E.口服