--You’ve made great progress in your stu

题型:选择题

问题:

--You’ve made great progress in your studies of English, haven’t you? --Yes, but much ______.

A.remains to do  

B.is remained to do

C.remains to be done

D.is remained to be done

考点:动词短语动词
题型:选择题

如图所示,离子源S产生质量为m,电荷量为q的离子,离子产生出来的速度很小,要以看做速度为0,产生的离子经过电压U加速后,进入磁感强度为B的一匀强磁场,沿着半圆周运动到达P点,测得P点到入口处S1的距离为L,则N极板为______极板,此离子荷质比

q
m
=______.

题型:选择题

Surprise  we  do  bad   until   friend   so   Good    say    happy   know   after
  How time flies !Nobody__小题1:___ this better than Junior 3 students. This week , they will graduate(毕业) . __小题2:___ how do they plan to celebrate?
In Anhui , Zhou Yi , 15, and his classmate thought they should thank their head teacher. They decided to give her a notebook as a ___小题3:___. Everybody wrote something for her in the beautiful notebook. It was __小题4:___ secretly.
“ I read many warm words in the notebook ,” said Zhou. “ The teacher will surely like it .” In Beijing , during their last P.E. class, Yang Mingcong and his ___小题5:__ felt a bit sad for the coming departure(分离). They decided to have a football match to __小题6:__ goodbye to each other. They are 24 boys in Yang’s class. They grouped two teams for the game.
“What could be ___小题7:__ than a game to remember our friendship?” said the 13-year-old boy.
While being leaving ,ShenYuanyuan and her classmates ___小题8:____planned to meet every three or five years.
“ I can’t wait __小题9:___ then ,” said the 15 year-old Shanghai girl . “ What will we be like at that time ? Graduation means we’re closer to __小题10:___dreams. It’s exciting!”
题型:选择题

下列指标尚不能够提示存在进行性血胸的是()

A.血压逐渐下降,脉搏逐渐增快

B.补液后血压不升或升高后又迅速下降

C.血红蛋白、血细胞比容值持续下降

D.胸腔闭式引流>200ml/h,持续3小时

E.中心静脉压12cmH2O

题型:选择题

如何理解《老人与海》中的桑提亚哥这一形象?

题型:选择题

公元751年,唐朝军队在中亚败于阿拉伯军队,被俘往阿拉伯的士兵中有不少技术工匠,这次战役客观上促成了中阿之间一次技术转移。这时中国传入阿拉伯的技术应该是()

A.造纸术

B.活字印刷术

C.指南针

D.火药与火器

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