【題目】將下列日常食物放入水中，能形成溶液的是( )

A．牛奶 B．蔗糖 C．面粉 D．食用油

【答案】B

【解析】

一種或幾種物質(zhì)分散到另一種物質(zhì)中，形成均一的，穩(wěn)定的混合物，叫做溶液。牛奶、面粉、食用油都不能分散到水中形成溶液。

知識點(diǎn)：溶液的定義。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：初中地理 來源： 題型：

【題目】A

Hi, I’m Tina. This is a photo of Class 18. This class has twenty-five students, twelve girls and thirteen boys. These are Amy and Bob. Amy is Bob’s sister. Amy is 12 and Bob is 13. Amy likes English and math. Bob likes music. He has a CD collection. This is Bruce. He is 14. He likes sports and he has a sports collection. Jerry is a teacher. He is thirty-four years old. He likes blue, black and green. Many of his clothes are in these colors. Do you know the relationship between Jerry and Bruce? Aha! Jerry is Bruce’s uncle. And you can call him at 0543-3617625.

【1】__________ girls are in Class 18.

A. 12 B. 13 C. 24 D. 25

【2】 Bruce likes __________.

A. sports B. English C. music D. white

【3】The word ＂relationship＂ means __________.

A. 關(guān)系 B. 性別 C. 愛好 D. 差異

【4】__________ and Bob are in a family.

A. Jerry B. Amy C. Bruce D. Tina

【5】Jerry’s __________ is 0543-3617625.

A. card number B. telephone number

C. bus number D. school card number

查看答案和解析>>

科目：初中地理 來源： 題型：

【題目】一Would you like to see a film with me?

一 ，but I can't.

A. Yes，I would B. No, I wouldn't

C. I'd like to D. I'm glad

查看答案和解析>>

科目：初中地理 來源： 題型：

【題目】I am Lisa．I study in Beijing International School now．There are fifty-four students in my class．Only six students go to school on foot，because they live near our school．Li Xiang says it usually takes him about fifteen minutes to walk to school．Eighteen students go to school by bike．Some of them think it is faster to ride bikes than to take buses in the morning and evening．They also think riding bikes is good for them．Twenty-two students take buses or the subway(地鐵)to sch001．Most of them have to take more than one bus to get to school，so they must get up early every day．And other students go to school by car．Their parents drive them to school first，and then go to work．Do you know how I get to school? I'm one of the eighteen people．

【1】Why do the twenty—two students get up early every day?

【2】How many students go to school by car?

【3】How do you go to school? Why?

查看答案和解析>>

科目：初中地理 來源： 題型：

【題目】______of the students said their goal of this term was to get good grades.

A. Most B. Much C. More D. No

查看答案和解析>>

科目：初中地理 來源： 題型：

【題目】根據(jù)漢語意思完成句子，每空一詞。

【1】Lisa went to Beijing ________ ________ (度假) last year.

【2】We have _______ _______ _______ (相當(dāng)多的) books in the Book Corner.

【3】He ________ ________ ________ (為考試而學(xué)習(xí)) last night.

【4】They _______ ______ _______ _______(去海灘) on their school trip.

【5】Last year I ________ ________(拍照片)with my family on the Great Wall.

查看答案和解析>>

科目：初中地理 來源： 題型：

【題目】My name is David. I’m an American boy. For me, sports are fun. I have a collection of sports things. I have six basketballs, three tennis rackets, nine volleyballs, four soccer balls, and five baseballs. I play sports and I watch them on TV. Do you play sports? Do you have a sports collection?

根據(jù)短文內(nèi)容，回答下列問題。

【1】Is David American?

_______________________________________

【2】Are sports fun for David?

______________________________________

【3】Does David have a collection of sports things?

______________________________________

【4】How many baseballs does he have?

______________________________________

【5】Where does David watch sports?

______________________________________

查看答案和解析>>

科目：初中地理 來源： 題型：

【題目】20℃時硝酸鉀的不飽和溶液轉(zhuǎn)變?yōu)轱柡腿芤嚎刹捎茫?/span> ）

A.升高溫度 B.加入溶劑 C.加入溶質(zhì) D.倒掉一半溶液

查看答案和解析>>

科目：初中地理 來源： 題型：

【題目】在現(xiàn)實生活中法律是解決糾紛的唯一方式（ ）

查看答案和解析>>

同步練習(xí)冊答案