【单选题】用草酸钠标定高锰酸钾溶液时,刚开始时褪色较慢,但之后褪色变快的原因是( )。
C.
在70~80 °C 恒温条件下滴定,且反应生成的Mn2+有自动催化作用
【单选题】When the author says 'there will be no escaping Pottermania', he implies that ______.
A.
Harry Potter's appeal for the readers is simply irresistible
B.
it is somewhat irrational to be so crazy about the magic boy
C.
craze about Harry Potter will not be over in the near future
D.
Hogwarts school of magic will be the biggest attraction world over
【多选题】下列关于“平面按钮”说法正确的是()。
D.
按钮可以单独使用文字,也可以是图标加文字的组合。
【简答题】Debbie: In the end, I chose Diana to do the photography. I’m very pleased because she’s done an 1.____ job — she really has! She was expensive, but I’m glad I chose her because she has got more 2.___...
【简答题】mp3: 5. A) She is busy at the moment. B) She is Diana’s friend. C) She has an appointment with Diana. D) She wants Diana to do her hair.
【多选题】()等有关身份关系的协议,不适用《合同法》的规定。
【简答题】How many days does Diana plan to go to Paris?
【简答题】[ ]、收养、监护等有关身份关系的协议,适用其他法律的规定,不适用合同法。
【单选题】诱发药源性疾病的药物因素包括
E.
药物本身作用,药物相互作用,药物制剂和药物的使用
【单选题】1f we can-t put our hearts into the book when we read,it is___________'A. possible t
A.
24.1f we can-t put our hearts into the book when we read,it is___________' A. possible to learn something from it
B.
easy to understand it well
C.
impossible for us to get something from it
D.
hard to get something from it