精英家教网 > 初中地理 > 题目详情

【题目】收音机、电视机上的音量(volume旋钮是用来改变声音的:

A. 响度 B. 音色 C. 音调 D. 频率

【答案】A

【解析】本题考查的是生活中常说的词是指声音的什么特性:音量是指响度,音高是指音调,高保真是指音色,音品也指音色。故选A

练习册系列答案
相关习题

科目:初中地理 来源: 题型:

【题目】Ingredients: 1.five eggs 2.some green onions 3.a teaspoon of salt 4.three teaspoons of oil

How to make it: First, crack the five eggs into a bowl. Cut up the green onions and put them in the bowl, too. Add a teaspoon of salt and mix them all together. Next, put the pan on the gas cooker (煤气灶) and turn on the gas cooker. Pour three teaspoons of oil into the pan. Then pour the mixture into the pan when the oil is hot. Turn it over from time to time. About five minutes later, it is OK. Finally, put it on a plate.

任务一:简要回答下列问题。

1How many eggs do we need?

________________________________________________________

2How much salt do we need?

________________________________________________________

任务二:

3将下列句子重新排序。

A. Turn on the gas cooker.

B. Cook it until it is OK.

C. Pour three teaspoons of oil into the pan.

D. Pour the mixture into the pan.

E. Crack the eggs.

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】—I don't know if Mr.White______ to watch the soccer game with us

next weekend.

—I think he will if he ______ free.

A. will go; is B. will go; will be

C. goes; is D. goes; will be

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】完形填空(每个1,10

Ms. Steen is our English teacher. She is from England. She began to teach____last year. But now she is leaving for her country. We are so____to see her go because she is a good teacher. We’re going to have a____for her. We think it is the best way to say “Thank you and goodbye”.

We____to have the party this Saturday. Now, we are preparing for it. Wang Lei and Wei Wei____all the teachers. Our Chinese teacher Miss Zhang____come. Her family is taking a trip to Beijing this weekend____the other teachers promised that they would come. Li Ye is writing a thank-you note (短笺). We want to show____we’re going to miss Ms. Steen. He asks Wu Shan to read it to Ms. Steen, because Wu Shan____very good English. I’m going to play a piano piece for Ms. Steen at the party. And I also____a fun game to play at the party. We hope the party will be very great.

1A. them B. us C. him D. you

2A. glad B. sad C. relaxed D. excited

3A. trip B. meal C. prize D. party

4A. plan B. refuse C. forget D. happen

5A. caught B. believed C. saw D. invited

6A. will B. can’t C. has to D. doesn’t

7A. Probably B. Usually C. Luckily D. Finally

8A. how B. how many C. how much D. when

9A. writes B. speaks C. likes D. shares

10A. hear from B. turn down C. make up D. think of

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】当调节收音机的电位器,使其音量增大时,发现扬声器的纸盆的振动幅度也加大.

(1)这表明声音的响度与 有关;

(2)当你逐渐远离收音机时,听到的声音变小,这又表明声音的响度与 有关.

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】铅笔向平面镜移动,铅笔在镜中的像的大小 (选填变大变小不 变);用铅笔尖顶在平面镜上,测得铅笔尖的像距铅笔尖为4mm,则镜子的厚度是 .要使铅笔和它在平面镜中所成的像垂直,则铅笔与平面镜之间的夹角应为

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】每个人都有他自己的一份权利,也有他应尽的一份义务。如果每个人不仅知道自己的权利,而且知道自己的义务,那么将有利于全人类的幸福。

(1)在我国平等的权利体现在哪些方面?(写出三项即可)(3分)

(2)请说明权利与义务的关系。(4分)

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】如果有一位同学把从别人那里偷来的东西交给你暂时保管,并要求你给予保密,你应该

A.答应,同学之间应该互相帮助

B.拒绝,除非给我好处

C.拒绝,指出他的行为错误,并帮助他改正错误

D.可以帮他保管好东西,并保守秘密

查看答案和解析>>

科目:初中地理 来源: 题型:

【题目】2015政府工作报告指出,在财政收支矛盾较大的情况下,政府要竭诚尽力,始终把改善民生作为工作的出发点和落脚点,努力实现中国梦。这体现了

A.社会能为人的发展提供平等的权利和机会

B.党和政府把当前工作的中心转移到改善民生上来了

C.我国政府切实保障和改善民生,努力推进社会公平

D.公平是相对的,总会受到一定社会条件的制约

查看答案和解析>>

同步练习册答案