皮皮学,免费搜题
登录
搜题
【简答题】
B2-U2_3_3_2.mp3: I have never been able to undersdand people who don't see the piont in traveling.The common reason is thay traveling is a waste of time and money. I've heard some are 1) to travel too far away. I can't help but feel sorry particularly for those who 2) the experience of seeing a new place as a 100 percent 3) one.Telling them stories about unusal encounters does't 4) the expected curiosity but a "Why would you wanna go there!"It makes me 5) humanity. Experience is the best teacher and knowledge is power. The things traveling can teach you are beautiful because you learn to trust in what you see rather than what you are old.It was Mark Twain who said,‘‘Travel is fatal to prejudice,bigotry and narrow-mindness,” which in my mind (6)________ as the closest to the truth about traveling. Too bad there aren’t enough people with the means to travel actually doing it. If you have the means to go abroad, you should do it despite going out of your comfort zone. You might realize why you loved it once you’re back home. I think traveling is also the best thing you could do if you feel 7)_ at home,don′t know what to do with your future,your life ,your partner–anything.Once you are away,8)_ somewhere very new and unknown,you are forced to 9) _ and meet people.This works especially if you travel alone.A new life and especially the new relationships you build,even if only for a short period of time, 10) _opportunities and viewa you never would have thought of and had otherwise.
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】下列系统为线性系统的是 [ ] :
A.
y ( t )  = 3 x (0) +2 f ( t ) + x (0) f ( t ) + 1
B.
y ( t )  = 2 x (0) +| f ( t )|
C.
y ( t )  = x 2 (0) + 2 f ( t )
【单选题】焊接珠光体钢和奥氏体不锈钢,当工作条件要求接头的冲击韧性较好时,应选用含奥氏体化元素( )含量较高的填充材料。
A.
B.
C.
D.
【判断题】珠光体钢和奥氏体不锈钢焊接时,要求焊接填充材料具有能提高焊缝抗晶间腐蚀等的能力。
A.
正确
B.
错误
【单选题】焊接珠光体钢和奥氏体不锈钢,当工作条件要求接头的冲击韧度较好时,应选用含奥氏体化元素( )含量较高的填充材料。
A.
B.
C.
D.
【单选题】海运保险的期限为:
A.
仓至仓
B.
船至船
C.
港至港
D.
钩至钩
【单选题】焊接珠光体钢和奥氏体不锈钢时,不要求焊接填充材料具有 ( ) 。
A.
克服珠光体钢对焊缝的稀释作用
B.
提高焊缝强度和硬度的作用
C.
抑制碳在熔合区的扩散
D.
提高焊缝抗热裂纹的能力
【判断题】按国家质量监督检验检疫总局2002年颁发的《液压电梯监督检验规程》(试行)。规定,对验收检验中厂家提供的资料要求是(1)满负荷压力的设计值;(2)液压油的特性或型号;(3)使用维护说明书(应含液压电梯润滑汇总图表和液压电梯标准功能表);(4)液压原理图;(5)限速切断阀的型式试验报告结论副本;(6)高压软管的出厂检验合格证明;(7)限速切断阀调定合格证及调节示意图。()
A.
正确
B.
错误
【判断题】并行序列的顺序功能图转换为梯形图时,不需要采用“起-保-停”的编程方法转换为梯形图。
A.
正确
B.
错误
【多选题】对液压油的性能要求错误的是
A.
具有适应的粘度和良好的粘温特性
B.
具有良好的热稳定性和氧化稳定性
C.
具有良好的抗泡沫性和空气释放性
D.
具有良好的防腐性、抗磨性和防锈性
【单选题】液压泵装配前的性能试验下列说法那种错误 。
A.
用电动机转动轴(齿轮泵)或转子轴(叶片泵),要求灵活无阻滞现象。
B.
在额定压力下工作时,能达到规定的输油量。
C.
压力从零逐渐升到额定值,各接合面不准有漏油和异常的杂声。
D.
在额定压力下工作时,其压力波动值不准超过规定值。
相关题目: