皮皮学，免费搜题
登录
搜题
【简答题】
（3分）下图是镁元素、氯元素在周期表中的位置及有关粒子的结构示意图。请回答下列问题： （1）镁元素的原子序数为 ；氯离子的结构示意图为 （填序号）。 （2）镁原子与氯原子的最本质的区别是 。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Scanning is different from skimming in that
A.
Scanning involves reading quickly through a text to get an overall idea of its contents.
B.
Scanning involves rapid reading for the specific rather than the general; for particular details rather than the overall idea.
查看完整题目与答案
【简答题】A new study uses advanced brain-scanning technology to cast light onto a topic that 【M1】______ psychologists have puzzled over more than half a century: social conformity. The study 【M2】______ was bas...
查看完整题目与答案
【单选题】长期使用某些药物，使人体对该药物产生依耐性，一旦停药，机体来不及调整，于是机体出现不适症状，这是________。
A.
耐药性
B.
抗药性
C.
依耐性
D.
停药反应
查看完整题目与答案
【单选题】长期使用某些药物,使人体对该药物产生依耐性,一旦停药,机体来不及调整,于是机体出现不适症状,这是
A.
抗药性
B.
依耐性
C.
耐药性
D.
停药反应
查看完整题目与答案
【单选题】What is “stream scanning”？（）
A.
scanning streaming media for malware
B.
scanning multiple downloads at the same time
C.
passing pieces of a download to the client while the download is being scanned
D.
passing scanned pieces of the file between two different malware-scanning engines
查看完整题目与答案
【单选题】According to the function of the visual nerve cell, the characteristics of daytime scanning and night scanning techniques are
A.
That the speed is relatively slower and the scope smaller for daytime scanning.
B.
That the speed is relatively slower and the scope smaller for night scanning.
C.
That there should not any difference for them in speed and scope.
查看完整题目与答案
【简答题】什么是扫描攻击(Scanning)？
查看完整题目与答案
【简答题】A．drawing B．mapping C．picturing D．scanning
查看完整题目与答案
【单选题】Which of these is a drawback in using McAfee heuristic scanning？（）
A.
heuristic scanning cannot detect new malware with an unknown signature
B.
heuristic scanning requires a separate license key
C.
heuristic scanning increases the probability of false positives
D.
heuristic scanning increases the probability of false negatives
查看完整题目与答案
【单选题】Scanning procedures for effective collision avoidance should constitute( )
A.
looking outside for 15 seconds, then inside for 5 seconds, then repeat.
B.
1 minute inside scanning, then 1 minute outside scanning, then repeat.
C.
looking outside every 30 seconds except in radar contact when outside scanning is unnecessary.
查看完整题目与答案
相关题目：
【单选题】Scanning is different from skimming in that
A.
Scanning involves reading quickly through a text to get an overall idea of its contents.
B.
Scanning involves rapid reading for the specific rather than the general; for particular details rather than the overall idea.
查看完整题目与答案
【简答题】A new study uses advanced brain-scanning technology to cast light onto a topic that 【M1】______ psychologists have puzzled over more than half a century: social conformity. The study 【M2】______ was bas...
查看完整题目与答案
【单选题】长期使用某些药物，使人体对该药物产生依耐性，一旦停药，机体来不及调整，于是机体出现不适症状，这是________。
A.
耐药性
B.
抗药性
C.
依耐性
D.
停药反应
查看完整题目与答案
【单选题】长期使用某些药物,使人体对该药物产生依耐性,一旦停药,机体来不及调整,于是机体出现不适症状,这是
A.
抗药性
B.
依耐性
C.
耐药性
D.
停药反应
查看完整题目与答案
【单选题】What is “stream scanning”？（）
A.
scanning streaming media for malware
B.
scanning multiple downloads at the same time
C.
passing pieces of a download to the client while the download is being scanned
D.
passing scanned pieces of the file between two different malware-scanning engines
查看完整题目与答案
【单选题】According to the function of the visual nerve cell, the characteristics of daytime scanning and night scanning techniques are
A.
That the speed is relatively slower and the scope smaller for daytime scanning.
B.
That the speed is relatively slower and the scope smaller for night scanning.
C.
That there should not any difference for them in speed and scope.
查看完整题目与答案
【简答题】什么是扫描攻击(Scanning)？
查看完整题目与答案
【简答题】A．drawing B．mapping C．picturing D．scanning
查看完整题目与答案
【单选题】Which of these is a drawback in using McAfee heuristic scanning？（）
A.
heuristic scanning cannot detect new malware with an unknown signature
B.
heuristic scanning requires a separate license key
C.
heuristic scanning increases the probability of false positives
D.
heuristic scanning increases the probability of false negatives
查看完整题目与答案
【单选题】Scanning procedures for effective collision avoidance should constitute( )
A.
looking outside for 15 seconds, then inside for 5 seconds, then repeat.
B.
1 minute inside scanning, then 1 minute outside scanning, then repeat.
C.
looking outside every 30 seconds except in radar contact when outside scanning is unnecessary.
查看完整题目与答案