皮皮学，免费搜题
登录
搜题
【单选题】
在( )范围内的端口号被称为“熟知端口号”并限制使用。这就意味着这些端口是为常用的应用层协议,如HTTP何FTP等保留的。A.
0 -127
B.
0 -255
C.
0-511
D.
0-1023
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】听力原文：W: There is discussion of England and the United States now pushing to forgive the debt of the poorest countries in the world. Do you think that's a good idea? M: I think it's a good idea. I mean...
A.
The relationship between England and the United States.
B.
The low income in some countries.
C.
The financial and banking rules and systems.
D.
The forgiveness of the low-income countries' debt.
【单选题】右图为哺乳动物牙齿的结构，据图可以判断两类动物的食性，下列叙述正确的是
A.
①为肉食动物，②为草食动物
B.
①、②均为肉食动物
C.
①为草食动物，②为肉食动物
D.
①、②均为草食动物
【单选题】如图为哺乳动物牙齿的结构，据图可以判断两类动物的食性，下列叙述正确的是（ ）
A.
①为肉食动物，②为草食动物
B.
①、②均为肉食动物
C.
①为草食动物，②为肉食动物
D.
①、②均为草食动物
【单选题】听力原文：W: Would you like w have acme coffee for a break? M: Could you wait for a while? I'm trying to finish the notes before the discussion. (14)
A.
He will drink coffee after the discussion.
B.
He will have coffee later.
C.
He will drink the coffee before the discussion.
D.
He will wait for his turn to get the coffee.
【单选题】下列哪一项能完全适用于描述哺乳类动物（）。
A.
哺乳动物都有毛，是表皮角质化的产物
B.
哺乳类都是胎生的和哺乳的
C.
所有哺乳类的身体都可以分为头、颈、躯干、尾和四肢五部分
D.
哺乳动物均具有牙齿，且均为异型齿
【单选题】听力原文：W: Oh, no! Where are my car keys? M: Relax, Kate. Are they in your purse? W: No, they're not. They're gone! M: I bet they're still on the table in the restaurant. Where does the man think the key...
A.
In the woman's car.
B.
In the restaurant.
C.
In the woman's house.
【简答题】promote all-round development of human being
【单选题】The exhibition of poor sportsmanship______ a sense of disgust in all who witnessed it.
A.
rose
B.
arose
C.
aroused
D.
raised
【单选题】All of the following conditions promote the denaturation of DNA except
A.
low ionic strength solutions.
B.
high pH.
C.
organic solvents.
D.
high temperature.
E.
extremely low temperature.
相关题目：
【单选题】右图为哺乳动物牙齿的结构，据图可以判断两类动物的食性，下列叙述正确的是
A.
①为肉食动物，②为草食动物
B.
①、②均为肉食动物
C.
①为草食动物，②为肉食动物
D.
①、②均为草食动物
参考解析：
知识点：
题目纠错 0
发布
