【单选题】说明:导入时请删除说明内容
A.
本编辑框可快速录入选择题(单选和多选)、填空题、判断题、简答题。
B.
选择题选项号用大写字母(ABCD…)表示;填空题的空缺处用下划线"____"表示,空与空之间用顿号“、”隔开,
C.
题答案之间用分号“;”隔开,并以分号“;”结束;判断题答案用“对”和“错”表示。
D.
支持题目答案解析与难易程度:如果包含答案解析,请在题目末行以“答案解析:” 开头,冒号后面添加答案解析内容,
E.
包含难易程度,请在答案的下一行以“难易程度:” 开头,冒号后面添加试题难易程度,答案的下一行是难易程度,难易程度的下一行是答案解析。
H.
题干、选项或答案中间不要手动回车换行,所有的标点符号均为中文;
J.
支持图片和公式,图片、公式和文本内容要在一行,不要手动换行。 K. 示例如下: L. 跆拳道起源于哪里?
【多选题】按照频段的划分,电子战可分为_______。
【简答题】关于推导式,下面哪种说法是错误的A. squared = {x**2 for x in [1, 1, 2]} 是一个集合推导式 B. mcase = {'a': 10, 'b': 34, 'A': 7, 'Z': 3}
mcase_frequency = { k.lower(): mcase.get(k.lower(), 0) + mcase.get(k.upper(), 0) for k in...
【简答题】How did the author become a leader? Read the whole text and fill in the blanks. 1. She used to be a shy and meek person, not “leader material.” Then she knew she needed to ___________. 2. She started ...
【单选题】关于 IGMP 协议的描述中,正确的是
D.
IGMP监听可解决第2层环境中的组播报文泛滥问题
【简答题】阅读短文 , 根据文章内容从下列各题的三个选项中选出一个最佳答案。 Paul got on a bus to go to town. It was very crowded, and he had to stand for about five minutes. Then some of the passengers ( 乘客 ) got off. Paul sat down next to a ...
【简答题】(二) Have you ever heard of a girl of 15, who set up a company of her own? Wendy Wong is the girl. She started the business two years ago. She has already written several successful computer s. The...
【简答题】Have you ever heard of a girl of 15, who set up a company of her own? Wendy Wong is the girl. She started the business two years ago. She has already written several successful computer s. They ar...