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【单选题】
ICMP 报文封装在哪一协议数据单元中传送,在网络中起着差错和拥塞控制的作用A.
TCP
B.
UDP
C.
IP
D.
PPP
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
【简答题】要打开项目管理器,如同建立或打开其他文件一样可以执行"文件"菜单中的"新建"命令或"打开"命令,也可以在命令窗口中执行 命令
【单选题】If you're going to run for mayor, just make sure there are no ______ in the cupboard! You know what the press is like.
A.
skulls
B.
skeletons
C.
ghosts
D.
legends
【单选题】听力原文：M: May I watch what you're doing? W: Sure, you dig a hole, put in the seed, cover it with dirt, and then water it. Q: What is the woman doing? (6)
A.
Fetching water.
B.
Looking for seed.
C.
Planting something.
D.
Getting dirty.
【单选题】三结合的教育一般是指（ ）。
A.
学校、家庭、社会教育三结合
B.
班主任、科任教师和家长教育三结合
C.
校长、教师和家长教育三结合
D.
家庭、环境和学校教育三结合
【单选题】听力原文：M: May I watch what you're doing? W: Sure. You dig a hole, put in the seed, cover it with dirt, and then water it. What is the woman doing?
A.
Looking for water.
B.
Planting something.
C.
Looking for something.
D.
Getting dirty.
【单选题】听力原文：M：May I watch what you're doing? W：Sure. You dig a hole，put in the seed，cover“with dirt，and then water it. Q：What is the woman doing? (5)
A.
She is looking for water.
B.
She is planting something.
C.
She is getting dirty.
D.
She is looking for something.
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