国家开放大学机械CAD/CAM作业答案合集
1.CAD系统仅用于绘制工程图纸，其主要内容为计算机图形学。（ B ）
判断题 (4 分) 4分
A.
√
B.
×
2.实现自动绘图只是CAD系统的功能之一。（ A ）
判断题 (4 分) 4分
A.
√
B.
×
3...
国开计算机应用基础作业答案合集
一、单选题
1.计算机的硬件系统由五大部分组成，下列各项中不属于这五大部分的是___B___。
单选题 (4 分) 4分
A.
运算器
B.
语言处理
C.
I/O设备
D.
控制器
2.在Windows...
国家开放大学综合英语(3)#测试 | Unit12 单元练习
Vocabulary
Choose the best answer for each of the following items.
1.The students ______ the material before the exam.
单选题 (5 分) 5分
A.
went over
B.
called on
C.
l...
国家开放大学综合英语(3)#测试 | Unit11 单元练习
Vocabulary:
Choose the best answer for each of the following items.
1.All the students are required to attend the two-day _______ program so that they can have a complete unde...
国家开放大学综合英语(3)#测试 | Unit10 单元练习
Vacabulary
Choose the best answer for each of the following items.
1.Have they achieved the American dream – are they on _______ street?
单选题 (5 分)
A.
good
B.
easy
C....
国家开放大学综合英语(3)#测试 | Unit9 单元练习
Vacabulary
Choose the best answer for each of the following items.
1.The hungry headache, caused by a drop in the blood-sugar _________, can be a real problem
单选题 (5 分) 5...
国家开放大学综合英语(3)#测试 | Unit8 单元练习
Vacabulary
Choose the best answer for each of the following items.
1.He _______ he has seen some very serious accidents.
单选题 (5 分) 5分
A.
advises
B.
admits
C.
consi...
国家开放大学综合英语(3)#测试 | Unit7 单元练习
Vacabulary
Choose the best answer for each of the following items.
1.The word laser ________ “light amplification by stimulated emission of radiation”.
单选题 (5 分) 5分
A.
...
国家开放大学综合英语(3)#测试 | Unit6 单元练习
Vacabulary
Choose the best answer for each of the following items.
1.Wang Yani’s father gave up his career as a painter in order to _______ Yani’s talent and growth.
单选题 (...
国家开放大学综合英语(3)#测试 | Unit5 单元练习
Choose the best answer for each of the following items.
1.I _______ other able-bodied people to stop and make a friend.
单选题 (5 分) 5分
A.
embrace
B.
enclose
C.
emphas...
国家开放大学综合英语(3)#测试 | Unit4 单元练习
Vacabulary
Choose the best answer for each of the following items.
1.Unfortunately, all the sewage _______ off into the river.
单选题 (5 分)
A.
draws
B.
drives
C.
drops...
国家开放大学综合英语(3)#测试 | Unit3 单元练习
Vacabulary
Choose the best answer for each of the following items.
1.Never run towards a _______ animal.
单选题 (5 分) 5分
A.
curious
B.
ridiculous
C.
dangerous
D.
po...
国家开放大学综合英语(3)#测试 | Unit2 单元练习
Vocabulary
Choose the best answer for each of the following items.
1.People have eaten with their fingers for most of human _______ .
单选题 (5 分) 5分
A.
assistance
B.
e...
国家开放大学综合英语(3)#测试 | Unit1 单元练习
Vocabulary
Choose the best answer for each of the following items.
1.A big guy stood _______ the doorway, so it was impossible for him to get through the door.
单选题 (5 分) ...
甘肃开放大学（国开电大）地域文化（本）第四次形成性考核任务
为激发学习者热爱民族优秀传统文化的热情，加强传承中华文化的意识，涵养学习者家国情怀，关注当地优秀文化，本次形成性考核任务要求以“我身边的非物质文化遗产”为主题，进行一次田野调查活...
国家开放大学理工英语3综合测试
一、交际用语（共计10分，每小题2分）(抽题规则：每次学生登录只显示5个小题。每次登录都随机变换题目)
1-5题：阅读下面的小对话，选择恰当的答语。
1.
— Some cars are really expensive...
