皮皮学，免费搜题
登录
搜题
【单选题】
下列说法中错误的是( ) 1 化学性质相似的有机物是同系物 2 分子组成相差一个或几个 CH 2 原子团的有机物是同系物 3 若烃中碳、氢元素的质量分数相同,他们必定是同系物 4 互为同分异构体的两种有机物的物理性质有差别,但化学性质必定相似A.
①②③④
B.
只有 ②③
C.
只有 ③④
D.
只有 ①②③
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】—Does Bob have vegetables for dinner? —______. But his sister has some carrots.
A.
Yes, he has
B.
No, he hasn’t
C.
Yes, he does
D.
No, he doesn’t
【单选题】– Does your aunt have _____ friends in Quanzhou? – Yes, she has _____ good friends here.
A.
any; any
B.
some; any
C.
any; some
【单选题】听力原文：M: Does John have your suitcase? W: No, Bob does. Who has the suitcase?
A.
The woman.
B.
Bob.
C.
John.
【单选题】_____ they _______ any bananas? [ ]
A.
Do, has
B.
Do, have
C.
Does, have
D.
Does, has
【简答题】根据汉语完成句子 首先,你不能跑。 ______ ______, you mustn't run.
【单选题】听力原文：M: Does John have your pictures? W: No, Bob does. Who has the pictures?
A.
The woman.
B.
Bob.
C.
John.
相关题目：