问题
单项选择题 A1/A2型题
脱落细胞常用的染色法为 ()
A.巴氏染色
B.H-E染色
C.瑞特-姬姆萨染色
D.抗酸染色法
E.瑞特染色
答案
参考答案:A
解析:巴氏染色特点是细胞具有多色性,色彩丰富鲜艳,胞内结构清晰,染色效果好,是细胞病理学检查常用的方法;H-E染色的染色效果也好,只是胞质色彩不丰富;瑞氏-吉姆萨染色适用于血片、淋巴穿刺液和胸腹水涂片。
脱落细胞常用的染色法为 ()
A.巴氏染色
B.H-E染色
C.瑞特-姬姆萨染色
D.抗酸染色法
E.瑞特染色
参考答案:A
解析:巴氏染色特点是细胞具有多色性,色彩丰富鲜艳,胞内结构清晰,染色效果好,是细胞病理学检查常用的方法;H-E染色的染色效果也好,只是胞质色彩不丰富;瑞氏-吉姆萨染色适用于血片、淋巴穿刺液和胸腹水涂片。
完型填空。 | |||
As sixth graders, kids were separating into groups, but I wasn't sure where I belonged. Our teacher gave us a task called "secret friends" for the coming week.We were supposed to do nice things 1 our friends without letting them know who was doing it.We could leave 2 notes or cards either on their desks or in their backpacks.Before doing the task, with our eyes closed, from a basket, we 3 a name of a classmate who we were to secretly befriened over the next five days. Soon, the task was turned into a competition of giving 4 instead of notes.Everyone was getting cool presents except me.My friend followed the teacher's 5 without a fault.I received nothing but handmade cards with nice words about me. On the last morning, I finally got a package.When I 6 it, the girls around all 7 .It was perfumed powder, an "old lady" gift.My face went red. I tried to forget about the 8 gift, but when the same girls 9 it again during the break in the bathroom, I joined in, "How stupid! My grandmother wouldn't 10 want it." The girls laughed at my 11 and left the bathroom.Washing my hands, I let the water run through my fingers 12 I thought about my words.It wasn't 13 like me to say things like that. "I'm your secret friend." It was Rochelle. "I' m sorry about the gift," she whispered to me, tears 14 down her face. From a poor family, she was a 15 at school for those with rich parents.Yet she just took all the 16 and the horrible treatment silently. I was sick to my stomach as my 17 words ran through my mind.She had heard everything. How could I have been so cruel? Later I learned she had felt bad all week about not being able to leave me any cool present and her mum had given up her only luxury(奢侈品). And I had 18 everything for her. I told her that I had only said those things to try to 19 . "We aren't that different from each other, are we?" She smiled 20 .Her simple words, spoken from her heart, found their way straight into mine. | |||
( )1.A.behind ( )2.A.outstanding ( )3.A.pushed ( )4.A.chances ( )5.A.directions ( )6.A.discovered ( )7.A.laughed ( )8.A.special ( )9.A.saw ( )10.A.even ( )11.A.feeling ( )12.A.if ( )13.A.normally ( )14.A.dashing ( )15.A.goal ( )16.A.teasing ( )17.A.powerful ( )18.A.broken ( )19.A.turn off ( )20.A.optimistically | B.through B.encouraging B.found B.gifts B.example B.grasped B.blamed B.embarrassing B.showed B.just B.suffering B.since B.properly B.streaming B.centre B.challenge B.tense B.changed B.fit in B.persuasively | C.for C.reminding C.drew C.help C.patterns C.held C.shouted C.delicious C.mentioned C.hardly C.remarks C.because C.perfectly C.getting C.wonder C.puzzle C.scary C.ruined C.take off C.honestly | D.like D.frightening D.threw D.hope D.admission D.opened D.commented D.worrying D.suggested D.only D.reactions D.as D.carefully D.smoothing D.target D.ignoring D.hurtful D.disturbed D.get in D.understandingly |