皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
在验证某种加酶洗衣粉需要的最适温度的实验中,下列叙述正确的是 [     ]
A.
取一系列不同温度、其他条件相同的水,加入相同的污物及等量加酶洗衣粉,看哪一个温度加酶洗衣粉的效果最好
B.
在不同温度的水中,加入不等量洗衣粉,看哪种效果好
C.
将加酶洗衣粉加入30℃水中发现不如加到45℃的水中洗涤效果好,说明45℃为最适温度
D.
将加酶洗衣粉与普通洗衣粉分别加入37℃的水中洗涤同样的污物,发现加酶洗衣粉效果好,说明加酶洗衣粉的最适温度为37℃
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】What a great _____ do you think a word of praise from the teacher will have on pupils?
A.
result
B.
account
C.
effect
D.
cause
【单选题】What trouble may people who are neither Muslims nor Christians nor Judaists encounter according to the text?
A.
They cannot preserve their own customs.
B.
They cannot state their religion on the national identity cards.
C.
They will not be able to divorce.
D.
They cannot leave Egypt.
【单选题】What will be the benefit if the research on smart windows turns out to be successful, according to the last paragraph?
A.
The buildings will look different.
B.
Windows can be as large as you want.
C.
We may not need air conditioners any more.
D.
They are less expensive than traditional windows.
【简答题】What are the other uses of Clensip mentioned by the committee? _________________________________________________________________________________________________________________________________________...
【单选题】微晶纤维素作为常用片剂辅料,其缩写和用途是( )。
A.
MCC://干燥粘合剂
B.
MC://填充剂
C.
CMC://粘合剂
D.
CMS:崩解剂
E.
CAP:肠溶包衣材料
【简答题】What is Clensip according to the tape? ________________________________________________________________________________________
【单选题】用“疏可走马,密不透风”形容版面设计,其中的“疏”是指
A.
对比
B.
空白
C.
节奏
D.
力场
【单选题】微晶纤维素为常用片剂辅料,其缩写和用途为()
A.
MCC做粉末直接压片的干粘合剂,兼有润滑、助流、崩解(20%)作用
B.
CMS崩解剂
C.
MC主要用于缓、控释制剂的粘合剂
D.
PEG水溶性润滑剂
E.
EC不溶于水,溶于丙酮、乙醇,成膜性好,用作水分散体制备缓、控释制剂
【单选题】What does the job involve?
A.
Working as a cashier
B.
Teaching economics class
C.
Hiring an Account Manager
D.
Managing fiscal operations
【单选题】What is NOT one of the reasons that British people know much about the United States, according to the interviewee?
A.
The press reports a lot about the U. S.
B.
The America' s policies affect Britain a lot.
C.
The U.S. is much richer than Britain.
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题