皮皮学，免费搜题
登录
搜题
【判断题】
DNA 双螺旋分子在 260nm 处有最大的吸收值,当被煮沸且迅速冷却后,吸收值就下降了。A.
正确
B.
错误
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】I'd like to know how many days in advance I can book a train ticket.
A.
6 days including the day you intend to take the train.
B.
Yes， you are right.
C.
12 days in advance through the internet and 6 days at the ticket window. but during the hoildiays such as spring festival， the days will be extended longer.
D.
I am not sure.
【简答题】Translation: I'd like to know how I shall give it to you.
【单选题】S1: I'd like to know how many tons of heavy oil there are left on board and how many tons of diesel oil and lube oil. S2: Now we have 280 tons of heavy oil, 110 tons of diesel and 26 tons of lube oil....
A.
One
B.
Two
C.
Three
D.
Four
【单选题】《药品管理法》未作规定的制度是( )
A.
基本药物制度
B.
药品不良反应报告制度
C.
医疗用毒性药品特殊管理制度
D.
药品入库和出库必须执行检查制度
E.
药品储备制度
【单选题】听力原文：W: Midwestern Bank. Good morning. M: Hello. I'd like to know how to open a bank account here in Britain. W: Certainly, sir. How long are you going to be here for? M: Uh, a year and a half at leas...
A.
Registration at a polytechnic.
B.
The length of his stay in this country to be allowed.
C.
The way to open a bank account in Britain.
D.
The course he intends to have next year.
【简答题】六、注意安全,不准跨越防护栏杆,不准攀爬树木。
【简答题】请提交实验六的实验报告(将实验报告文档作为附件上传)。
相关题目：