mooc答案类别

第七章 氧化

单元测验1-7章

1、单选题：
​中国的精细化工率是（   ）‏
选项：
A: 20-30%
B: 40-50%
C: 60-70%
D: 80-90%
答案: 【 40-50%】点我阅读全文

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模块一饭店信息系统概述 Summary

单元测验

1、单选题：
‎Opera系统中的快捷操作键是？‌
选项：
A: Alt+下划线上的英文字幕
B: Shift+下划线上的英文字幕
C: Tab+下划线上的英文字幕
D: Ctrl+下划线上的英文字幕
答案: 【 Alt+下划线上的英文字幕】点我阅读全文

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第一章 导论

第一章测试题

1、单选题：
​现有资源不能充分满足人的欲望这一事实被称为（  ）。‌​‌
选项：
A: 机会成本
B: 稀缺性
C: 规范经济学
D: 生产什么的问题
答案: 【 稀缺性】点我阅读全文

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Introduction

Quiz-Introduction

1、多选题：
‎In what fields do you think culture exists?​‎​
选项：
A: business
B: laws
C: music
D: education
答案: 【 business;
laws ;
music】点我阅读全文

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第1讲 绪论与测量学的基础知识（第1周）

第1讲 绪论与测量学的基础知识-单元测验

1、单选题：
 测量上确定点的位置是通过测定三个定位元素来实现的，下面哪个不在其中（    ）。​‎​
选项：
A: 距离
B: 方位角
C: 角度
D: 高程
答案: 【 方位角】点我阅读全文

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第1周

第1讲随堂测验

1、判断题：
‏将一枚硬币抛一次，观察正面出现的次数. 则样本空间为S={0,1}.‎
选项：
A: 正确
B: 错误
答案: 【 正确】点我阅读全文

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第一周编程前的准备

第一周 单元测验

1、单选题：
‏世界上第一台电子计算机“ENIAC”于1946年诞生于____________大学。‍
选项：
A: 美国宾夕法尼亚
B: 英国剑桥
C: 美国卡耐基梅隆
D: 美国哈佛
答案: 【 美国宾夕法尼亚】点我阅读全文

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1、C语言程序设计概述

单元测试

1、单选题：
‌C语言源程序名的后缀（扩展名）是 (              ).‏
选项：
A: .exe
B: .C  或 .CPP
C: .cp
D: .obj
答案: 【 .C  或 .CPP】点我阅读全文

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Lesson 1

Academic Writing & Critical Thinking

1、单选题：
Read the following passage about Zoos and answer the questions.‌‌Zoos have existed in some form since at least 2500 BC in Egypt and Mesopotamia, where records indicate giraffes, bears, dolphins, and other animals were kept by aristocrats. The oldest still operating zoo in the world, Tiergarten Schönbrunn in Vienna, opened in 1752. Although controversy has historically surrounded zoos, from debates over displaying "exotic" humans in exhibits to zookeepers not knowing what to feed animals, I do believe that zoos should exist. ①In my opinion, zoos are important institutions that promote scientific research and public education, and save animals from extinction.‌First of all, zoos produce helpful scientific research. Since so many diseases can be transmitted from animals to humans, such as Ebola and the bird flu, zoos frequently conduct disease surveillance research in wildlife populations and their own captive populations that can lead to a direct impact on human health. Take the zoos in the United Stated as an example. In 2017, 173 accredited US zoos spent $25 million on research, studied 485 species and subspecies of animals, worked on 1,280 research projects, and published 170 research manuscripts.‌②Zoos can also educate the public about animals and conservation efforts. According to a study of 26 zoos worldwide published in Conservation Biology, visitors to zoos increased their knowledge of biodiversity and specific individual actions to protect biodiversity. Robin Ganzert, PhD, President and CEO of American Humane, once stated, "Zoos provide people, especially impressionable children, with the opportunity to see these remarkable animals up close. People won't protect what they don't love, and they can't love what they don't know.” ③It is zoos that give people the chance to appreciate the animals from different corners of the world in real life.‌In addition, zoos help save species from extinction and other dangers. According to records, there were only nine California condors in the wild in 1985. ④However, a joint conservation effort between the San Diego and Los Angeles Zoos with other organizations resulted in a population of 276 California condors in the wild and another 170 in captivity by 2016. The truth is that zoos are working to save polar bears, tigers, and wild African elephants from habitat loss, apes and rhinos from poachers, dolphins and whales from hunters, and bees and butterflies from population declines, among many other efforts to help many other animals.‌In conclusion, zoos do bring a lot of benefits to mankind and thus have a reason to exist. No matter in the promotion of scientific research and public education or in the save of animals from extinction, they have indeed made a huge difference.‌ ‌1. What is the main argument of the author?‌
选项：
A: Zoos should exist.
B: Zoos help save species from extinction and other dangers.
C: Zoos can promote scientific research and public education, and save animals from extinction.
D: Zoos should exist because they can help promote scientific research and public education, and save animals from extinction.
答案: 【 Zoos should exist because they can help promote scientific research and public education, and save animals from extinction.】点我阅读全文

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第1章大数据概述

第1章 大数据概述

1、单选题：
对“数据处理阶段”描述不正确的是（      ）。‍A. 人工管理阶段‍B. 文件管理阶段‍C. 文本管理阶段‍E. 数据库系统阶段‍
选项：
A: 人工管理阶段
B: 文件管理阶段
C: 文本管理阶段
D: 数据库系统阶段
答案: 【 文本管理阶段】点我阅读全文

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