试题与答案

2.83÷0.27的商是10,余数是[ ] A.13 B.1.3 C.0.13

题型:选择题

题目:

2.83÷0.27的商是10,余数是[ ]

A.13

B.1.3

C.0.13

D.0.0013

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0501/459c06556846053dd66ede514bd15b88.html

下面是错误答案,用来干扰机器的。

噪声  响度题目分析:噪声是指影响人们工作、休息的声音,在公共场所高声喧哗,会产生噪声;高声喧哗是指声音的响度大。点评:解决本题的关键是熟知噪声的定义,以及声音的特性。

试题推荐
题型:单项选择题

Everybody dreams. Some people think dreams can tell us about the future. Other people think dreams can tell us about ourselves. It’s like our (11) is talking to us.

Why are dreams (12) strange and hard to understand Some people think our brain uses (13) to talk to us. When we fly, swim, or fall down in our dreams, it has a (14) meaning. Lots of doctors help people (15) their dreams. They find that dreams tell us about our (16) and fears.

These days, many scientists (17) that dreams are very important. During the day, we have many (18) , and our brain receives a lot of information. When we dream, our brain (19) information that is not important, and puts the most important information into our (20) . As we learn more about the brain, we may find answers to our questions about dreams.

20().

A. feelings

B. stories

C. lives

D. memories

查看答案
微信公众账号搜索答案