皮皮学，免费搜题
登录
搜题
【单选题】
以下对计算机病毒的描述（）是不正确的。A.
计算机病毒是人为编制的一段恶意程序
B.
计算机病毒不会破坏计算机硬件系统
C.
计算机病毒的传播途径主要是数据存储介质的交换以及网络的链路
D.
计算机病毒具有潜伏性
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】It was very kind of you to do the washing-up but you _____ it
A.
needn’t do
B.
shouldn’t do
C.
mustn’t have done
D.
needn’t have done
【单选题】It was very kind of you to do the washing up, but you ____ it.
A.
mustn’t have done
B.
wouldn’t have done
C.
mightn’t have done
D.
didn’t have to do
【单选题】锆石是双折射率为 ________ ,加工设计时应使台面 _________ 。( )
A.
0.39 ，∥ C 轴
B.
0.39 ，⊥ C 轴
C.
0.039 ，∥ C 轴
D.
0.039 ，⊥ C 轴
【多选题】一、(1)请阅读第5章5.4-5.5节的内容;(2)请周三前安排学习完成在线课程的7.15-7.20的内容。 二、在完成第一题后,将下列题目完成到作业本上 习题 5-7 、思考题 5-25 三、请你在本周三前完成以上内容后,以本选择题答案来反馈为本次课下学习成效。 (这次的学习任务对比理解性强!)
A.
拉乌尔定律适用于理想液体混合物。
B.
亨利定律适用于理想液体混合物。
C.
单组分理想气体的化学势 μ o 仅仅是温度的函数。
D.
纯 B 组分的化学势 μB 是温度和压力的函数。
E.
实际气体的化学势 μ * 是真是存在的。
【简答题】It was very kind of you to do the washing-up, but you ________ it. A) mustn’t have done B) wouldn’t have done C) mightn’t have done D) didn’t have to do
【单选题】–What does the ________ mean? --It is a place to live in space.
A.
astronaut
B.
space station
C.
apartment
D.
rocket
【单选题】It was very kind of you to do the washing-up, but you ( ) it.
A.
didn't have to do
B.
wouldn't have done
C.
mightn't have done
D.
mustn't have done
【单选题】It was very kind of you to do the washing up, but you ____ it.
A.
mustn't have done
B.
mightn't have done
C.
wouldn't have done
D.
didn't have to do
【简答题】What is the relationship between a sample space and a state space?A. A sample space is related to 1 r.v. whereas a state space is for a stochastic process. B. A r.v. is a function that maps the sample...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
