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stand 短语 ◆stand aside 1to move to one side 站到一边,让开; 2to not get involved in something 不参与,置身事外 ◆stand back (from) 1to move back from a place 往后站,退后; 2to be situated away from something 位于离 ...... 有一段距离的地方; 3to think about a situation as if you are not involved in it 置身事外(来考虑) ◆stand between someone and something to prevent someone from gaining or achieving something 阻 碍某人获得某物 ◆stand by 1to not take action when you should 袖手旁观; 2to be ready to do something 做好准备; 3to be loyal to someone who is in a difficult situation 忠于,支持; 4to keep a promise, agreement etc, or to say that something is still true 信守,遵守,坚持 ◆stand for 1to be an abbreviation or symbol of something 是 ...... 的缩写,代表; 2to support something 支持,主张; 3to be willing to accept something that someone does 容忍,接受 ◆stand out 1to be very easy to see or notice 突出,显眼; 2to be much better than other similar people or things 出色,杰出 ◆stand up 1to be on your feet or to rise to your feet 站起; 2to cause something or someone to assume an upright position (使)直立; 3to be proved to be true, useful or strong when tested 站得住脚,经久耐用; 4to not meet someone who you have arranged to meet 对 ...... 失约 ◆stand up for to support or defend a person or idea when they are being attacked 支持,维护 ◆stand up to 1to remain in good condition in spite of rough treatment 经得起,顶得住; 2to refuse to accept unfair treatment from a person or organization 勇敢地面对,抵抗 【即】翻译下面各句中的划线部分。 1.He just stood aside and let his kids behave as they pleased. 2.Stand back; that container is about to explode. 3.Only one person stood between her and the presidency. 4.No matter what happens I’ll stand by you, so don’t be afraid. 5.With a code book, you might write down words that would stand for other words. ( 2016 全国卷 I ) 6.A rethink is required — and as a new approach starts to become apparent, two ideas stand out. ( 苏 2017 ) 7.Science has a lot of uses. It can uncover laws of nature, cure diseases, make bombs, and help bridges to stand up. (湖北 2015 ) 8.When the studio didn’t want me for the film — it wanted somebody as well known as Paul — he stood up for me. ( 2017 全国卷 II ) 9.He is a tough customer, and you have to learn to stand up to him.
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举一反三
【判断题】严禁拆除主节点处的纵、横向水平杆。特殊情况下如使用竹片板时可以。
A.
正确
B.
错误
【简答题】若已知是2a 1+y b y 与-4a 2x b 2-4y 同类项,则x+y=______.
【简答题】已知A=2x 2 - 1 2 +3x,B=x-x 2 + 1 2 求:(1)A-4B; (2)4B-A; (3)从(1)(2)的计算结果,你能知道A-4B与4B-A之间有什么关系吗?
【单选题】两个相距较近的平行金属板A、B相距为d ,接在电压为U的电源上。开关闭合时,质量为m,带电量为-q的油滴恰好静止在两板中点处,如图所示。在保持其他条件不变的情况下,将两板缓慢地水平错开一些,以下说法正确的是( )
A.
油滴将向上运动,电流计中的电流从b流向a
B.
油滴静止不动,电流计中的电流从a流向b
C.
油滴将下运动,电流计中的电流从a流向b
D.
油滴静止不动,电流计中无电流流过
【判断题】《铁路技术管理规程》规定:平车未关闭端侧板的,特殊情况下可以编入列车。
A.
正确
B.
错误
【多选题】如图甲所示,一质量为 M 的薄木板 ( 厚度不计 ) 静止在光滑水平地面上,现有一质量为 m 的滑块以一定的水平初速度 v 0 ,从木板的左端开始向木板的右端滑行,滑块和木板的水平速度大小随时间变化的情况如图乙所示,根据图象可知以下判断正确的是 ( )
A.
滑块始终与木板存在相对运动
B.
滑块未能滑出木板
C.
滑块的质量 m 大于木板的质量 M
D.
在 t 1 时刻,滑块从木板上滑出
【单选题】防腐耐酸工程中的块料面层以(    )为准,其余情况下要进行调整。
A.
平面    
B.
立面    
C.
踢脚板    
D.
平面十立面
【多选题】如图甲所示,一质量为 m 1 的薄木板 ( 厚度不计 ) 静止在光滑水平地面上,现有一质量为 m 2 的滑块以一定的水平初速度 v 0 ,从木板的左端开始向木板的右端滑行,滑块和木板的水平速度大小随时间变化的情况如图乙所示,根据图象可知以下判断正确的是 ( )
A.
滑块始终与木板存在相对运动
B.
滑块未能滑出木板
C.
滑块的质量 m 2 大于木板的质量 m 1
D.
在 t 1 时刻,滑块从木板上滑出
【简答题】已知a 2 +b 2 =1,a﹣b= ,求a 2 b 2 与(a+b) 4 的值.
【简答题】已知3|a+2|与(b-2) 2 互为相反数,求代数式:(-3a 2 b+4b 2 a-4ab)-2(a 2 b-2ab+2ab 2 )的值.
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