工件全长1200mm，材料线膨胀系数α=10.7×10-6（1/℃），当温度从20℃ 发布时间：2019-09-04 00:30 │ 来源：www.tikuol.com 题型：单项选择题 问题： 工件全长1200mm，材料线膨胀系数α=10.7×10-6（1/℃），当温度从20℃增加到30℃时，工件伸长热变形量ΔL为（）mm。A.0.11B.0.12C.0.13
题型：单项选择题 —Didn’t you finish your homework last night?—_______, though I wasn’t feeling well.A．No, I hadn’tB．Yes, I hadC．No, I didn’tD．Yes, I did 查看答案
题型：单项选择题 完形填空。 Once two brothers,John and Tony,asked a sage(智者) to tell them about their future.The sage __1__ them,"It may not be good for you to know your future.__2__,your future can change later even if I tell younow!"They __3__ knowing their future.The sage said,"John will become a king in a year while Tony will __4__ in a murder." John was __5__ and started dreaming of becoming a king while Tony started spending his time in spiritual activities and used his time to __6__ everyone and soon came out of his __7__. Eleven months passed.One day,the brothers discovered a half－buried pot.They __8__ it and found it full of gold.John shouted,"This __9__ is just for me to set up my palace!"Just then,a robber jumped out and gave a __10__ on John's head and tried to take the pot away.Tony jumped at the robber to __11__ John.But the robber attacked him with a knife.During the __12__ the robber dropped the pot and ran away.John was very __13__ to his injured brother and offered him half the gold.Tony politely __14__ saying he was not going to live much longer in any case.John,with his new treasure,started eating and drinking.One year passed.There was no __15__ of any crown(王冠)in sight.Tony was also enjoying good __16__.They decided to visit the sage again."How did your predictions go __17__?"John asked.The sageexplained,"I told you,your destiny(命运)can be changed.The crown you were to get was __18__ to a potof gold.But,Tony's __19__ life changed his destiny too.Death in the murderer's hand was reduced to onlybeing __20__." How life meets us is called destiny；how we meet life is called self effort!( )1．A.informed ( )2．A.Instead ( )3．A.insisted on ( )4．A.recover ( )5．A.worried ( )6．A.serve ( )7．A.work ( )8．A.bought ( )9．A.experience ( )10．A.blow ( )11．A.calm ( )12．A.performance ( )13．A.polite ( )14．A.refused ( )15．A.symbol ( )16．A.chance ( )17．A.short ( )18．A.reduced ( )19．A.comfortable ( )20．A.disturbed B．advised B．Therefore B．depended on B．appear B．pleased B．receive B．debt B．wrapped B．treasure B．gift B．stop B．investigation B．cruel B．accepted B．sign B．position B．bad B．connected B．spiritual B．forgotten C．ordered C．Besides C．gave up C．hurt C．shocked C．observe C．depression C．sold C．award C．tap C．protect C．action C．grateful C．demanded C．mention C．work C．wrong C．devoted C．difficult C．locked D．encouraged D．Otherwise D．took up D．die D．disappointed D．guide D．anger D．dug D．success D．touch D．inspire D．struggle D．loyal D．answered D．comment D．health D．well D．exposed D．hopeless D．wounded 查看答案