议论文中词语能否删去

first find out how had it is. first find out how bad it What’s your room number?What’s your room number?--It’s ____.A.The 601 Room B.601 Room C.The Room 601 D.Room 601Several ____ new books were sold out last week.A.of thousand B.thousands C.thousand of D.thousandWhich is right?A.2009,June 25 B.25th room,your,number,teacher’s,what’s 连词成句 “此情可待成追忆,只是当时已惘然”是谁的诗?全文是什么? “此情可待成追忆”是谁的诗句﹖ 此情可待成追忆,只是当时已惘然. “此情可待成追忆,只是当时已惘然”是一首诗里的吗?全诗是什么? 此情可待成追忆,只是当时已惘然 出自哪里?谁的诗? 一项工程甲乙两队合修要10天完成乙丙合修要12天完成甲丙修要15天完成,丙单独做,完成这项工作需几天?要列式,我等着 一项工程,甲,乙两队合做需10天,甲,丙两队合做需12天,乙,丙两队合做需15天,那么甲,乙,丙独做各需几天完成任务? what is your number?同义句是are you结尾的 若f（a,b）=（b,a）,G（m,n）=（－m,－n）则G(f(－5,6）= （ 如果把3的M次方=N表示成f（N)=M,5的A次方=B表示成g(B)=A,求f(9)-g(125)的值 is a long long goodbye l miss you forever 中文意思是.感动 The new hall is the tallest building in this town._____from here?A .Can it see　B .Can it be seen　C .Can it seen　D .Can see team siprits what's the meaning track and field team 和the track team有区别吗 what is the meaning of the team" Gothic" in art如题要英文解释、 join the track team F:I can join the track team.M:drive a car F:I can drive a car.M:cook fancy dishes F:I can cook fancy dishes.M:speak English wellF:I can speak English well.M:run fast F:I can run fast.M:sing an American song F:I can sing an America 求∠A+∠B+∠C+∠D+∠E+∠F+∠G+∠H+∠I+∠J+∠K+∠L+∠M+∠N= _____at the town hall.the president was warmly welcomed by the mayor.a.to arrive b.on arriving c.arrived d.have arrived Many people gathered under the Town Hall clock.中的Town _____ at the Town Hall,the Queen was welcomed by the MayorA.On reachingB.At arrivalC.On arrivalD.At reaching选哪个?为什么? 嘿,你的益达. 是什么意思? 是你的益达 一项工程,甲乙合作需12天完成,乙丙两队合作需15天完成,甲丙两队20天完成,三队合修需几天? 求函数y=2x^2+x-1在[t,t+1]区间上的最大值和最小值 一项工程甲乙两队合作需12天完成,乙丙两队合作需15天完成,甲丙两队合作需20天完成,甲.乙.丙三队合作完成这项工程的一半,需几天 方程或方程组 It's about time we ______(pick up) the distinguished guests at the airport. 为什么一个小时是60分钟,一分钟为什么又是60秒,而一秒为什么是100微秒? Have you visited the Xiangguo Temple__the Song Dynasty?A.dated from;B.to date from;C.be dated from;D.dating from