在TCP/IP 协议簇中, ( ) 属于自上而下的第二层。A.ICMP B.SNM 发布时间:2017-06-22 23:07 │ 来源:www.tikuol.com 题型:单项选择题 问题: 在TCP/IP 协议簇中, ( ) 属于自上而下的第二层。A.ICMP B.SNMP C.UDP D.IP
题型:单项选择题 从方框中选择适当的单词,并用其正确形式填空,补全下面的短文enjoy swim come student learn feel hope story draw make Boys and girls, the summer holiday is (1)_____, Do you have any plans for your summer holiday? You can (2)_____a timetable and organize (组织) what you are going to do. Then you will not (3)_____ bored (无聊的) during the longsummer holiday! Here are what some (4)_____ do during their long holidays:◆ (5)_____ pictures or make something.◆ Listen to music.◆ Visit friends.◆ _____.◆ Play sports in the park with friends.◆ Write some short (7)_____.◆ Help parents do the housework.◆ (8)_____ how to cook.◆ Go to the movies, watch TV or play on the computer. I (9)_____ these ideas are helpful (有帮助的) to you. Stay happy during your long holiday and (10)_____ yourholiday activities. 查看答案
题型:单项选择题 对非处方药专有标识叙述正确的是A.图案为椭圆形背景下的OTC三个字母B.图案为圆形背景下的OTC三个字母C.图案为正方形背景下的OTC三个字母D.图案为长方形背景下的OTC三个字母E.图案为三角形背景下的OTC三个字母 查看答案