大学职业资格刷题搜题APP
创建自己的小题库
搜索
【单选题】
常用于制备灭活疫苗的理化因素是（ ）。 A．乙醚B．紫外线C．3%盐酸D．甲醛E．反复冻融
A.
常用于制备灭活疫苗的理化因素是( )。 A.乙醚
B.
紫外线
C.
3%盐酸
D.
甲醛
E.
反复冻融
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈
收藏
举报
参考答案：
举一反三
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away
相关题目：
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away
参考解析：
题目纠错 0
发布
