皮皮学，免费搜题
登录
搜题
【单选题】
以下哪种蛋白质的呈色反应是540nm波长下测吸光度值,通过公式可算出蛋白质的浓度的定量测定方法( )A.
双缩脲反应
B.
米伦反应
C.
反应
D.
酚试剂反应
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】请判断下列归因方式,选出哪些是外归因( )
A.
房间乱，怪妈妈没打扫
B.
肚子疼，反思是不是吃饭没洗手
C.
成绩不好，认为是同桌影响了自己
D.
跟同学闹矛盾，全都是别人的错
【简答题】It was a busy morning, about 8:30, when an elderly gentleman in his 80s came to the 41 . I heard him saying to the nurse that he was in a hurry for an appointment at 9:30. The nurse had him take a 42 ...
【简答题】写出下列十进制数的8421BCD码：
【单选题】Dayu was born in ________.
A.
Spring and Autumn period
B.
the Tang dynasty
C.
Shun’s time
D.
the Qin dynasty
【单选题】He heard someone when he happened to be passing through the village.
A.
scream
B.
to scream
C.
screaming
D.
screamed
【多选题】下列关于8421BCD码的说法中，正确的是( )。
A.
8421BCD码可以直接转换成二进制数
B.
8421BCD码不能直接转换成二进制数
C.
8421BCD码可以直接转换成十进制数
D.
8421BCD码不能直接转换成十进制数
【单选题】Why was the statue of Dayu set up in the Yellow River Scenic Area of Zhengzhou?
A.
For Dayu was born here.
B.
For Dayu was a great ancient emperor.
C.
For Dayu once visited the place in history.
D.
For Dayu was a hero controlling the floods of the Yellow River.
相关题目：