大学MOOC 机电工程专业英语（曹轶然）(中国民航大学)1450648168 最新慕课完整章节测试答案
Unit 4 How to Write a Good Abstract a Brief Introduction
文章目录
Quiz 4
1、单选题：
Which title is more acceptable in English?
选项：
A: A Survey on Controlling Gas with the Flip of a Switch
B: A Study of Controlling Gas with the Flip of a Switch
C: A Research about Controlling Gas with the Flip of a Switch
D: Controlling Gas with the Flip of a Switch
答案: 【 Controlling Gas with the Flip of a Switch】
2、单选题：
Which title is more acceptable in English?
选项：
A: Unpicking patterns of global reef biodiversity
B: On Unpicking patterns of global reef biodiversity
C: A Report on the Unpicking patterns of global reef biodiversity
D: A Research on Unpicking patterns of global reef biodiversity
答案: 【 Unpicking patterns of global reef biodiversity】
3、多选题：
The proper tenses used to describe the background of an English abstract could be
选项：
A: present tense
B: present perfect tense
C: past tense
D: future tense
答案: 【 present tense ;
present perfect tense ;
past tense 】
Unit 1 Understanding Hacking Drones
Quiz 1
1、单选题：
Which is the correct explanation of “Achilles’ Heel” in this passage?
选项：
A: The name of one part of body
B: A deadly weakness or vulnerable point
C: A name of a character in a story
D: A mistake made by human being
答案: 【 A deadly weakness or vulnerable point 】
2、单选题：
What is the solution for the small drone to stay out of the way of other aircraft?
选项：
A: GPS system
B: Automatic Dependent Surveillance—Broadcast
C: Spoofing
D: Inertial guidance sensors
答案: 【 Automatic Dependent Surveillance—Broadcast 】
3、单选题：
Which is not the ha