皮皮学，免费搜题
登录
搜题
【单选题】
数据链路层上PDU的常用名称是什么?
A.
帧
B.
数据包
C.
数据段
D.
数据链路PDU
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】以下代码段将创建( )个字符串对象。 String s1="bc"; String s2="bc";
A.
0
B.
1
C.
2
D.
3
查看完整题目与答案
【判断题】烷基碳正离子为sp2杂化，其结构与烷基碳自由基结构类似，所不同的是烷基碳正离子p轨道上没有电子，是一个空轨道。
A.
正确
B.
错误
查看完整题目与答案
【简答题】The Online Photography Club Welcome to the Online Photography Club! Do you want to take better pictures? Are you ready to buy a new camera? Or do you just want to talk with other photography fan...
查看完整题目与答案
【单选题】How did the nineteenth-century defenders of photography stress the photography?
A.
It was a means of making people happy.
B.
It was art for recording the world.
C.
It was a device for observing the world impartially.
D.
It was an art comparable to painting.
查看完整题目与答案
【简答题】一质点做沿半径为 0.1m 的圆周运动,其用角坐标表示的运动学方程为 , 的单位为 rad , t 的单位为 s 。问:当 t = 2s 时,质点的切向加速度为 , 法向加速度为 ; 等于 rad 时,质点的加速度和半径的夹角为 45° 。
查看完整题目与答案
【单选题】How did the woman learn Photography?
A.
She went to a school of Photography.
B.
She learned it from her father.
C.
She learned it by herself.
D.
She was taught by many professional photographers.
查看完整题目与答案
【简答题】His work is a _____(mix) of photography and painting.（填写适当形式的词汇）His work is a _____(mix) of photography and painting.
查看完整题目与答案
【单选题】1998年,解放军步兵第112师316团某连战士 ,在抗洪抢险中壮烈牺牲。1999年,共青团中央、全国青联追授他'中国青年五四奖章'
A.
李铁军
B.
黄东华
C.
李向群
查看完整题目与答案
【单选题】An important part of the national government is the Foreign Service, a branch of the Department of State.
A.
a unity
B.
a division
C.
an embassy
D.
an invasion
查看完整题目与答案
【单选题】《醉花阴》(薄雾浓云愁永昼)词系李清照()之作。
A.
晚年
B.
早年
C.
暮年
D.
童年
查看完整题目与答案
相关题目：
【单选题】以下代码段将创建( )个字符串对象。 String s1="bc"; String s2="bc";
A.
0
B.
1
C.
2
D.
3
查看完整题目与答案
【判断题】烷基碳正离子为sp2杂化，其结构与烷基碳自由基结构类似，所不同的是烷基碳正离子p轨道上没有电子，是一个空轨道。
A.
正确
B.
错误
查看完整题目与答案
【简答题】The Online Photography Club Welcome to the Online Photography Club! Do you want to take better pictures? Are you ready to buy a new camera? Or do you just want to talk with other photography fan...
查看完整题目与答案
【单选题】How did the nineteenth-century defenders of photography stress the photography?
A.
It was a means of making people happy.
B.
It was art for recording the world.
C.
It was a device for observing the world impartially.
D.
It was an art comparable to painting.
查看完整题目与答案
【简答题】一质点做沿半径为 0.1m 的圆周运动,其用角坐标表示的运动学方程为 , 的单位为 rad , t 的单位为 s 。问:当 t = 2s 时,质点的切向加速度为 , 法向加速度为 ; 等于 rad 时,质点的加速度和半径的夹角为 45° 。
查看完整题目与答案
【单选题】How did the woman learn Photography?
A.
She went to a school of Photography.
B.
She learned it from her father.
C.
She learned it by herself.
D.
She was taught by many professional photographers.
查看完整题目与答案
【简答题】His work is a _____(mix) of photography and painting.（填写适当形式的词汇）His work is a _____(mix) of photography and painting.
查看完整题目与答案
【单选题】1998年,解放军步兵第112师316团某连战士 ,在抗洪抢险中壮烈牺牲。1999年,共青团中央、全国青联追授他'中国青年五四奖章'
A.
李铁军
B.
黄东华
C.
李向群
查看完整题目与答案
【单选题】An important part of the national government is the Foreign Service, a branch of the Department of State.
A.
a unity
B.
a division
C.
an embassy
D.
an invasion
查看完整题目与答案
【单选题】《醉花阴》(薄雾浓云愁永昼)词系李清照()之作。
A.
晚年
B.
早年
C.
暮年
D.
童年
查看完整题目与答案