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【单选题】
为了解决现有IP地址资源紧缺、分配严重不均衡的局面，各国正在开发下一代IP地址技术，此IP地址技术简称为（ ）
A.
IPV4
B.
IPV5
C.
IPV6
D.
IPV3
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参考答案：
举一反三
【单选题】影响缓冲溶液的缓冲容量的因素是：（）
A.
缓冲溶液的pH值和缓冲比
B.
共轭酸的pK° a 和缓冲比
C.
共轭碱的pK° b 和缓冲比
D.
缓冲溶液的总浓度和pH值
E.
缓冲比和缓冲溶液的总浓度
查看完整题目与答案
【单选题】听力原文：M: We'll be here in London staying in a newspaper office or teaching in a classroom full of chalk dust. W: Well, Tom, you'd be able to go out in the sunshine sometimes. You are a journalist. I am...
A.
Editor.
B.
Journalist.
C.
Teacher.
D.
Student.
查看完整题目与答案
【单选题】Venlo 型温室的结构特点 不正确的是
A.
钢柱及侧墙檩条：热浸镀锌轻钢结构
B.
构件截面大，安装简单，使用寿命长，便于维护
C.
屋盖梁：专用铝合金型材“人”字形对接
D.
屋面梁：水平桁架结构
查看完整题目与答案
【多选题】关于基本袖制图，以下说法正确的是（ ）。
A.
袖长 = 手臂长 +4~5cm
B.
袖肘长 = 袖长 /2+2.5cm
C.
袖山高 =1/8AH
D.
袖宽确定方法：三角形法，一条直角为袖山高，一条斜边基本为 1/2 袖窿弧线长（即 1/2AH ）左右，则另一条直角边为 1/2 袖宽。
查看完整题目与答案
【单选题】听力原文：The possibilities of extending low-cost communications into every school, classroom, home and business seemed unparalleled because of advances in technology. (30)
A.
The government plans to expand the communication network into every part of society.
B.
Thanks to technology development, people have more access to low-cost communication than before.
C.
The proposal to extend low-cost communication seemed hard to be accepted because of the lack of advanced technology.
D.
Every school and business is in most urgent need of advanced technology.
查看完整题目与答案
【单选题】影响缓冲溶液的缓冲容量的因素有( )。
A.
缓冲溶液的pH值
B.
弱酸(或弱碱)的K I 值
C.
缓冲溶液的总浓度
D.
缓冲组分的浓度比
查看完整题目与答案
【简答题】The machine does not seem to work properly. I think it needs ___(repair) When I called her on the phone, she pretended ____(not know) me. These pills should _____(keep) out of the reach of children. X...
查看完整题目与答案
【多选题】关于基本袖制图，以下说法正确的是（ ）。
A.
袖长=手臂长+4-5cm
B.
袖肘长=袖长 /2+2.5cm
C.
袖山高=1/4AH
D.
袖宽确定方法：三角形法，一条直角为袖山高，一条斜边为1/2袖窿弧线长（即1/2AH），则另一条直角边为1/2袖宽
查看完整题目与答案
【单选题】A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely c...
A.
Powersupplyfailure
B.
BadHD
C.
Badfan
D.
FaultyCD-Rom
查看完整题目与答案
【简答题】The machine does not seem to work properly. I think it needs (repair) ____.
查看完整题目与答案
相关题目：
【单选题】影响缓冲溶液的缓冲容量的因素是：（）
A.
缓冲溶液的pH值和缓冲比
B.
共轭酸的pK° a 和缓冲比
C.
共轭碱的pK° b 和缓冲比
D.
缓冲溶液的总浓度和pH值
E.
缓冲比和缓冲溶液的总浓度
查看完整题目与答案
【单选题】听力原文：M: We'll be here in London staying in a newspaper office or teaching in a classroom full of chalk dust. W: Well, Tom, you'd be able to go out in the sunshine sometimes. You are a journalist. I am...
A.
Editor.
B.
Journalist.
C.
Teacher.
D.
Student.
查看完整题目与答案
【单选题】Venlo 型温室的结构特点 不正确的是
A.
钢柱及侧墙檩条：热浸镀锌轻钢结构
B.
构件截面大，安装简单，使用寿命长，便于维护
C.
屋盖梁：专用铝合金型材“人”字形对接
D.
屋面梁：水平桁架结构
查看完整题目与答案
【多选题】关于基本袖制图，以下说法正确的是（ ）。
A.
袖长 = 手臂长 +4~5cm
B.
袖肘长 = 袖长 /2+2.5cm
C.
袖山高 =1/8AH
D.
袖宽确定方法：三角形法，一条直角为袖山高，一条斜边基本为 1/2 袖窿弧线长（即 1/2AH ）左右，则另一条直角边为 1/2 袖宽。
查看完整题目与答案
【单选题】听力原文：The possibilities of extending low-cost communications into every school, classroom, home and business seemed unparalleled because of advances in technology. (30)
A.
The government plans to expand the communication network into every part of society.
B.
Thanks to technology development, people have more access to low-cost communication than before.
C.
The proposal to extend low-cost communication seemed hard to be accepted because of the lack of advanced technology.
D.
Every school and business is in most urgent need of advanced technology.
查看完整题目与答案
【单选题】影响缓冲溶液的缓冲容量的因素有( )。
A.
缓冲溶液的pH值
B.
弱酸(或弱碱)的K I 值
C.
缓冲溶液的总浓度
D.
缓冲组分的浓度比
查看完整题目与答案
【简答题】The machine does not seem to work properly. I think it needs ___(repair) When I called her on the phone, she pretended ____(not know) me. These pills should _____(keep) out of the reach of children. X...
查看完整题目与答案
【多选题】关于基本袖制图，以下说法正确的是（ ）。
A.
袖长=手臂长+4-5cm
B.
袖肘长=袖长 /2+2.5cm
C.
袖山高=1/4AH
D.
袖宽确定方法：三角形法，一条直角为袖山高，一条斜边为1/2袖窿弧线长（即1/2AH），则另一条直角边为1/2袖宽
查看完整题目与答案
【单选题】A user is reporting a loud grinding sound when the machine is powered on. The machine loadsinto windows and the user does not notice any performance issues. Which of the following is the MOST likely c...
A.
Powersupplyfailure
B.
BadHD
C.
Badfan
D.
FaultyCD-Rom
查看完整题目与答案
【简答题】The machine does not seem to work properly. I think it needs (repair) ____.
查看完整题目与答案
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