大学职业资格刷题搜题APP
创建自己的小题库
搜索
【单选题】
下列实验操作或事故处理正确的是
A.
实验结束后，用嘴吹灭酒精灯
B.
把水加入到浓硫酸中来配置稀硫酸
C.
金属Na着火，立即用水扑灭
D.
实验桌上的酒精灯倾倒了燃烧起来，马上用湿布扑灭
相关题库：高一化学试卷题库
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：
A
复制纠错
举一反三
From the passage, we can learn ________.
A.
one must judge himself before he judges others
B.
one should often make his windows clean
C.
one shouldn't criticize others very often
D.
one must look at others through his dirty windows
According to the text, most students feel ________ when entering the high school.
A.
excited
B.
nervous
C.
lonely
D.
disappointed
It’s clear that ________.
A.
they both worked as cleaners
B.
the writer often washed the window
C.
the writer had never met the woman before
D.
they lived in a small town
Why was Lisa chosen to play the role of the queen in the play?
A.
Because she was a star.
B.
Because she was fat.
C.
Because she was liked by her classmates.
D.
Because she was the best student in her class.
Which of the following is TRUE about the school clubs?
A.
There are fewer students from higher grades in the school clubs.
B.
The school clubs in high school only welcome sports fans.
C.
Summer activities begin before school starts.
D.
The school office can help new students join school clubs.
相关题目：
From the passage, we can learn ________.
A.
one must judge himself before he judges others
B.
one should often make his windows clean
C.
one shouldn't criticize others very often
D.
one must look at others through his dirty windows
According to the text, most students feel ________ when entering the high school.
A.
excited
B.
nervous
C.
lonely
D.
disappointed
It’s clear that ________.
A.
they both worked as cleaners
B.
the writer often washed the window
C.
the writer had never met the woman before
D.
they lived in a small town
Why was Lisa chosen to play the role of the queen in the play?
A.
Because she was a star.
B.
Because she was fat.
C.
Because she was liked by her classmates.
D.
Because she was the best student in her class.
Which of the following is TRUE about the school clubs?
A.
There are fewer students from higher grades in the school clubs.
B.
The school clubs in high school only welcome sports fans.
C.
Summer activities begin before school starts.
D.
The school office can help new students join school clubs.
参考解析：
欢迎编辑补充
刷刷题 shuashuati.com 为你提供【下列实验操作或事故处理正确的是】题目的参考解析
题目纠错 0
发布
