皮皮学，免费搜题
登录
搜题
【单选题】
在进行微生物的有关实验时，下列哪个选项的移液管和移液辅助器的使用是不正确的：（）A.
应使用移液辅助器，严禁用口吸取
B.
所有移液管应带有棉塞以减少移液器具的污染
C.
不能向含有感染性物质的溶液中吹入气体
D.
可以将感染性物质使用移液管反复吹吸混合
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】— She is too busy to help us finish the work. — Let's do it _____. [ ]
A.
herself
B.
myself
C.
yourselves
D.
ourselves
【单选题】________ you are busy, let us help you finish the project.
A.
Although
B.
Now that
C.
As soon as
D.
Even if
【单选题】—They are too busy to help us finish the work. —Let's do it ________. [ ]
A.
herself
B.
myself
C.
ourselves
D.
itself
【简答题】第3章 水文频率计算时,水文学的基本资料,必须满足( )、( )、( )、( )和( )。
【单选题】— He is too busy to help us finish the work. — Let's do it _____. [ ]
A.
itself
B.
myself
C.
ourselves
D.
himself
【简答题】Let us finish the discussion of the contract conditions.
【简答题】语法填空 If we want to finish anything in life, let us not forget that we must persevere（坚持不懈）. If we want to learn 1 lessons well in school, we must be hard- working and not give up 2 we come to anything...
【单选题】— She is too busy to help us finish the work. — Let’s do it ________.
A.
herself
B.
myself
C.
ourselves
D.
itself
相关题目：
参考解析：
知识点：
题目纠错 0
发布
