皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【简答题】
1-2 试解释以下名词:混凝土立方体抗压强度;混凝土轴心抗压强度; 混凝土抗拉强度;混凝土劈裂抗拉强度。
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】M: What time does Flight 776 arrive? W: At 11:30. But it may be late for an hour today because of the bad weather. 19. What time does Flight 776 arrive today?
A.
At 10:30
B.
At 11:30
C.
At 12:30
D.
At 13:30
查看完整题目与答案
【多选题】以下对光谱线的碰撞展开的理解正确的是( )。
A.
碰撞展宽可以理解为由于气体分子或原子间的碰撞作用使发光粒子突然中断发光而缩短寿命所造成。
B.
碰撞展宽可以理解为发光原子（分子）因碰撞将自己的内能转移给基态原子而本身回到基态造成了光谱线的展开。
C.
碰撞展宽可以理解为由于碰撞使波列发生无规则的相位突变所引起的波列缩短，等效于寿命缩短而造成。
D.
碰撞展宽可以理解为激发态的原子和其他激发态原子发生弹性碰撞而造成的谱线展宽。
查看完整题目与答案
【单选题】W: Why are there so many people in the line today ? I’m here every Wednesday afternoon, and it’s never this bad. M : May be it’s because of the special sale today. W: What sale ? Why is the woman ...
A.
She’s waiting for a bus
B.
she’s waiting for someone.
C.
She’s waiting to buy something
D.
She’s waiting to see a film.
查看完整题目与答案
【单选题】使每个用户只能按指定方式使用和处理指定数据,保护数据以防止不合法的使用造成的数据的泄密和破坏。是以下哪方面要考虑的内容?
A.
数据库的健壮性
B.
数据库的完整性
C.
数据库的安全性
D.
数据库的保密性
查看完整题目与答案
【简答题】某生物小组在一次实地考察中，观察到了下列几种动物。其中有的还是人类的好朋友，可是却很难区分它们，请你根据所学知识，帮助他们解决问题： （1）A（蚯蚓）用_________呼吸，B用_________呼吸，E用_________呼吸。 （2）A与B、C、D、E的主要区别是身体背部没有____________。 （3）从B的生殖发育特点分析，它不能脱离水环境限制的原因是________________...
查看完整题目与答案
【简答题】Directions: Complete the sentences with the words you have learned. 1. The crew of CCA981 told the controller that their aileron was jammed and they wanted to taxi back to the r________ for maintenanc...
查看完整题目与答案
【单选题】W: Why are there so many people in line today? I’m here every Wednesday afternoon, and it’s never this bad. M: Maybe it’s because of the special sale today. W: What sale? Why is the woman in l...
A.
She’s waiting for a bus.
B.
She's waiting for someone.
C.
She's waiting to see a film.
D.
She's waiting to buy something.
查看完整题目与答案
【简答题】Directions: Complete the following sentences with the proper words you have learned. 1. The crew of CCA981 told the controller that their aileron was jammed and they wanted to taxi back to the r______...
查看完整题目与答案
【简答题】汉译英 虽然我个人喜欢他,可是我不认为他在做的是正确的。(While)
查看完整题目与答案
【单选题】W: Why are there so many people in the line today ? I’m here every Wednesday afternoon, and it’s never this bad. M : May be it’s because of the special sale today. W: What sale ? ( )25.Why is the wo...
A.
She’s waiting for a bus.
B.
she’s waiting for someone.
C.
She’s waiting to buy something
D.
She’s waiting to see a film.
查看完整题目与答案
相关题目：
【单选题】M: What time does Flight 776 arrive? W: At 11:30. But it may be late for an hour today because of the bad weather. 19. What time does Flight 776 arrive today?
A.
At 10:30
B.
At 11:30
C.
At 12:30
D.
At 13:30
查看完整题目与答案
【多选题】以下对光谱线的碰撞展开的理解正确的是( )。
A.
碰撞展宽可以理解为由于气体分子或原子间的碰撞作用使发光粒子突然中断发光而缩短寿命所造成。
B.
碰撞展宽可以理解为发光原子（分子）因碰撞将自己的内能转移给基态原子而本身回到基态造成了光谱线的展开。
C.
碰撞展宽可以理解为由于碰撞使波列发生无规则的相位突变所引起的波列缩短，等效于寿命缩短而造成。
D.
碰撞展宽可以理解为激发态的原子和其他激发态原子发生弹性碰撞而造成的谱线展宽。
查看完整题目与答案
【单选题】W: Why are there so many people in the line today ? I’m here every Wednesday afternoon, and it’s never this bad. M : May be it’s because of the special sale today. W: What sale ? Why is the woman ...
A.
She’s waiting for a bus
B.
she’s waiting for someone.
C.
She’s waiting to buy something
D.
She’s waiting to see a film.
查看完整题目与答案
【单选题】使每个用户只能按指定方式使用和处理指定数据,保护数据以防止不合法的使用造成的数据的泄密和破坏。是以下哪方面要考虑的内容?
A.
数据库的健壮性
B.
数据库的完整性
C.
数据库的安全性
D.
数据库的保密性
查看完整题目与答案
【简答题】某生物小组在一次实地考察中，观察到了下列几种动物。其中有的还是人类的好朋友，可是却很难区分它们，请你根据所学知识，帮助他们解决问题： （1）A（蚯蚓）用_________呼吸，B用_________呼吸，E用_________呼吸。 （2）A与B、C、D、E的主要区别是身体背部没有____________。 （3）从B的生殖发育特点分析，它不能脱离水环境限制的原因是________________...
查看完整题目与答案
【简答题】Directions: Complete the sentences with the words you have learned. 1. The crew of CCA981 told the controller that their aileron was jammed and they wanted to taxi back to the r________ for maintenanc...
查看完整题目与答案
【单选题】W: Why are there so many people in line today? I’m here every Wednesday afternoon, and it’s never this bad. M: Maybe it’s because of the special sale today. W: What sale? Why is the woman in l...
A.
She’s waiting for a bus.
B.
She's waiting for someone.
C.
She's waiting to see a film.
D.
She's waiting to buy something.
查看完整题目与答案
【简答题】Directions: Complete the following sentences with the proper words you have learned. 1. The crew of CCA981 told the controller that their aileron was jammed and they wanted to taxi back to the r______...
查看完整题目与答案
【简答题】汉译英 虽然我个人喜欢他,可是我不认为他在做的是正确的。(While)
查看完整题目与答案
【单选题】W: Why are there so many people in the line today ? I’m here every Wednesday afternoon, and it’s never this bad. M : May be it’s because of the special sale today. W: What sale ? ( )25.Why is the wo...
A.
She’s waiting for a bus.
B.
she’s waiting for someone.
C.
She’s waiting to buy something
D.
She’s waiting to see a film.
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