皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【单选题】
已知：如图，梯形ABCD中，AD ∥ BC，AB=a，AD=b，∠A=2∠C，则BC长为（　　）
A.
a+ b 2
B.
a 2 +b
C.
a+b
D.
a+2b
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】近代以来,中国的志士仁人正是怀着强烈的危机感和民族意识,历尽千辛万苦,不怕流血牺牲,去探索挽救中华民族危亡的道路的。第一个喊出了“振兴中华”最强音的是()
A.
严复
B.
林则徐
C.
孙中山
D.
陈独秀
查看完整题目与答案
【判断题】砷 中毒 时, 一般非生物性检材 ( 如饮食物、呕吐物、胃内容等 ) ,因没有与蛋白结合,可不进行有机质破坏直接进行检验
A.
正确
B.
错误
查看完整题目与答案
【简答题】完形填空。 Tom and his sister 1 a big house. The house is 2 the foot of 3 hill. Near 4 there is a school. There 5 four people in their family. Their father is a farmer. He has a 6 and works 7 it all day. T...
查看完整题目与答案
【单选题】近代以来，中国的志士仁人正是怀着强烈的危机感和民族意识，历尽千辛万苦，不怕流血牺牲，去探索挽救中华民族危亡的道路的。第一个喊出了“振兴中华”最强音的是( )
A.
严复
B.
林则徐
C.
孙中
D.
陈独秀
查看完整题目与答案
【简答题】阅读理解。 Sometimes you make a wish, but when it comes, you decide you don't want it. That's what happened with Micky's 'birthday wish'. Our family tradition is that you make a wish before you blow out th...
查看完整题目与答案
【单选题】汽包锅炉汽压降低时，具体调节措施为：
A.
先增给水，再增风、增燃料
B.
先增燃料，再增风、增给水
C.
先增燃料，再增给水、增风
D.
先增风，再增燃料、增给水
查看完整题目与答案
【简答题】短文填空（10分） Believe , family ,one day ,all , died , all , its , island  ,almost , and Recently I have read another great book by Mark Twain. __小题1:___name is The Adventures of Huckleberry Finn .Huck and...
查看完整题目与答案
【单选题】在分组交换网中,数据链路层接收或发送信息的基本单位是( )
A.
比特
B.
字节
C.
帧
D.
分组
查看完整题目与答案
【简答题】完形填空。 My husband (丈夫) had a hard life when he was young. He didn't have a birthday party 1 I had the first one for him, on his 36th birthday. He loved the chocolate cake our daughter made for 2 . He s...
查看完整题目与答案
【单选题】With all his family , friends and money gone , he felt ________hopeless and killed himself . [     ]
A.
hardly
B.
luckily
C.
sincerely
D.
totally
查看完整题目与答案
相关题目：
【单选题】近代以来,中国的志士仁人正是怀着强烈的危机感和民族意识,历尽千辛万苦,不怕流血牺牲,去探索挽救中华民族危亡的道路的。第一个喊出了“振兴中华”最强音的是()
A.
严复
B.
林则徐
C.
孙中山
D.
陈独秀
查看完整题目与答案
【判断题】砷 中毒 时, 一般非生物性检材 ( 如饮食物、呕吐物、胃内容等 ) ,因没有与蛋白结合,可不进行有机质破坏直接进行检验
A.
正确
B.
错误
查看完整题目与答案
【简答题】完形填空。 Tom and his sister 1 a big house. The house is 2 the foot of 3 hill. Near 4 there is a school. There 5 four people in their family. Their father is a farmer. He has a 6 and works 7 it all day. T...
查看完整题目与答案
【单选题】近代以来，中国的志士仁人正是怀着强烈的危机感和民族意识，历尽千辛万苦，不怕流血牺牲，去探索挽救中华民族危亡的道路的。第一个喊出了“振兴中华”最强音的是( )
A.
严复
B.
林则徐
C.
孙中
D.
陈独秀
查看完整题目与答案
【简答题】阅读理解。 Sometimes you make a wish, but when it comes, you decide you don't want it. That's what happened with Micky's 'birthday wish'. Our family tradition is that you make a wish before you blow out th...
查看完整题目与答案
【单选题】汽包锅炉汽压降低时，具体调节措施为：
A.
先增给水，再增风、增燃料
B.
先增燃料，再增风、增给水
C.
先增燃料，再增给水、增风
D.
先增风，再增燃料、增给水
查看完整题目与答案
【简答题】短文填空（10分） Believe , family ,one day ,all , died , all , its , island  ,almost , and Recently I have read another great book by Mark Twain. __小题1:___name is The Adventures of Huckleberry Finn .Huck and...
查看完整题目与答案
【单选题】在分组交换网中,数据链路层接收或发送信息的基本单位是( )
A.
比特
B.
字节
C.
帧
D.
分组
查看完整题目与答案
【简答题】完形填空。 My husband (丈夫) had a hard life when he was young. He didn't have a birthday party 1 I had the first one for him, on his 36th birthday. He loved the chocolate cake our daughter made for 2 . He s...
查看完整题目与答案
【单选题】With all his family , friends and money gone , he felt ________hopeless and killed himself . [     ]
A.
hardly
B.
luckily
C.
sincerely
D.
totally
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题