正确答案: D

溶液的各部分性质均相同

题目：下列有关溶液的说法正确的是

解析：D

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学习资料的答案和解析：

[单选题]电炉丝断了，去掉1/5后，仍然接在原来的电源两端，则在相同时间内产生的热量与原来产生的热量之比为

5 ：4

[单选题]Inthepastfewyearsthere______greatchangesinmyhometown.

havebeen

[单选题]Sunday was going to be the birthday for me and my other two classmates． As we were born in the (21) month，we decided to have a big party to (22) it．On that evening，we invited all of our classmates． We prepared a lot of food and drinks．After singing the birthday song，we (23) the delicious cake together． We sang more songs and played games． Then someone told funny stories，and (24) laughed． Three hours flew by quickly．Because we had to (25) before 11:00，we ended our party at 10:00． Before we left，our classmates gave' (26 )0f us a birthday card with their best wishes． ( 27) we took some pictures together． What a great time we had! At that moment，l felt love，happiness and friend- ship．

same

解析：21．C【解析】由文章开头的第一句话可推知：我们出生于同一个月。

[单选题]23．_________ is the main meal in a day．

Supper

解析：23.B【解析】第二段第二句话可知。