皮皮学，免费搜题
登录
搜题
【单选题】
下列化合物名称中，不符合系统命名规则的是( )A.
2-甲基-1-丁烯
B.
2-甲基-2-丁烯
C.
3-甲基-1-丁烯
D.
3-甲基-2-丁烯
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
【简答题】VIII . 阅读下列短文,并按要求作答。 (10 分 ) “You paid forty dollars for this set of stamps ( 邮票 )?” Susan asked loudly. She couldn’t believe that Michael could do such a silly thing. Michael put the stamps 76. ____...
【简答题】完形填空。 Mrs. Jack was always 1 lots of time and money in 2 the shopping. It was winter, Mrs. Jack wanted to do a lot of shopping, she waited 3 it was Saturday when her husband was 4 , and she 5 him to t...
【单选题】有关图片中 的文件,论述 不正确 的是( )。
A.
该方案整篇结构由“标题+引言+主体+落款”构成
B.
最后一部分领导24小时开机的内容可与第一部分合并
C.
最后一部分内容涉及“事故应急预案”方面的安排
D.
该方案的落款可省略
【简答题】老师讲解几分钟？学生练习几分钟？
【简答题】盖革计数管由一根细金属丝和包围它的同轴导电圆筒组成。丝直径为2.5×10 -2 mm，圆筒内直径为25mm，管长为100mm。设导体间为真空，计算盖革计数管的电容。(可用无限长导体圆筒的场强公式计算电场。)
【单选题】听力原文：W: Hi, Sam, I hate to bother you but I wonder if I could have a word with you? M: Sounds so serious. What's up? W: Well, the landlord just informed me that he's going to increase our rent by two ...
A.
Where they should move.
B.
How to negotiate with the landlord.
C.
How to fight the increase.
D.
Whether to accept an increase in rent or move.
相关题目：