皮皮学，免费搜题
登录
搜题
【单选题】
配制高氯酸滴定液时,醋酐的加入量不能过多,其原因是A.
增强高氯酸的酸性
B.
除去高氯酸中的水
C.
避免发生乙酰化反应
D.
防止高氯酸遇热爆炸
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】A: I really should go home now, or my name'll be mud. B:____________ A: Oh, I mean I'll be very unpopular-I'm late!
A.
What I meant was.
B.
Are you with me?
C.
I'm listening.
D.
Sorry, I'm not with you.
【单选题】— Why don’t you stay a little longer？ — ______, but I really should be on my way.
A.
I wish I could
B.
That’s too bad
C.
Forget about it
D.
It is my pleasure
【判断题】Rolling is a combination of translation of COM with rotation about the axis of the COM.
A.
正确
B.
错误
【单选题】Part IV Translation — English into Chinese (25 minutes) Directions: This part, numbered 63 to 67, is to test your ability to translate English into Chinese. Each of the four sentences (No.63 to No.66)...
A.
为了提高俱乐部成员的整体素养，我们一直以各种不同的方式为大家提供免费的培训。
B.
为了更好地为我们俱乐部会员服务，我们不断寻找机会在世界各地开设更多的俱乐部。
C.
为了使我们俱乐部成员享受更好的服务，我们继续寻求机会与世界各地的俱乐部合作。
【单选题】A: I really should be on my way. B: Oh, not yet! At least have one for the road. A: No. ___
A.
Forget it
B.
My pleasure
C.
Thanks all the same.
D.
I am drunk
【单选题】物业管理公司在物业管理工作全面开展之前进行的信息收集和信息汇总称为广义( )。
A.
物业管理的策划
B.
物业接管验收
C.
物业管理的前期准备
D.
物业管理的前期信息收集
【单选题】—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there. —I really should have gone with you but I _____ on some remaining problems.
A.
worked
B.
was working
C.
would work
D.
would have worked
相关题目：
参考解析：
知识点：
题目纠错 0
发布
