皮皮学，免费搜题
登录
搜题
【多选题】
羟基蒽醌UV光谱中由苯甲酰基结构引起的吸收谱带为A.
230nm左右
B.
240~260nm
C.
262~295nm
D.
305~389nm
E.
>400nm
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
【单选题】In English-Speaking countries, the most popular expression people use when greeting someone they expected to come is, “Hey, There she or he is”. An emphasis, stress – intonation should be put on the w...
A.
Hey
B.
There
C.
She or He
D.
Is
【简答题】短文填空。 A: Hey, Tim. Is he y 1 pen pal? B: Yes. He is a cute boy. A: W 2 his name? B: Peter. A: Where is he f 3 ? B: The United Kingdom. A: W 4 does he live ? Does he l 5 in London? B: Yes, he does. A: ...
【简答题】新文学史上对散文贡献最大的流派是
【简答题】1 岩层产状要素是()A. 走向 B. 倾向 C. 倾角 D. 视倾角
【单选题】In English-Speaking countries, the most popular expression people use when greeting someone they expected to come is, “Hey, There she or he is”. An emphasis, stress – intonation should be put on the w...
A.
Hey
B.
There
C.
She or He
D.
Is
相关题目：