越简单、_______的生物化石出现在_______的地层里,越复杂、_____

题型:填空题

问题:

越简单、_______的生物化石出现在_______的地层里,越复杂、______的生物化石出现在越新近形成的地层里。

考点:进化的历程
题型:填空题

—I hear a traffic accident happened yesterday. Was it terrible ?        

—Yes. A car _____ and all the people in it were badly hurt. But luckily, none of them was killed.      [ ]

A. fell over

B. fell behind

C. fell off

D. fell down to

题型:填空题

第4类非计划停运是指机组可延迟至()以后,但需在下次计划停运前停运的状态。

A、72h

B、24h

C、36h

D、48h

题型:填空题

患者认为自己的怀疑和担忧是合理的,认为需要做磁共振等更进一步的检查。该患者最可能的诊断是

A.疑病障碍

B.强迫症

C.癔症

D.焦虑症

E.精神分裂症

题型:填空题
完形填空(共20小题:每小题1. 5分,满分30分)
阅读下面短文,从短文后所给的四个选项(A、B、C、D)中,选出最佳选项。
It was to be our second Christmas in Germany and we decided to avoid the naked tree problem the year before. We wrote to my father, and he  1 to purchase a tree for us in States. He would ship it to us in several smaller  2 .
Two days before Christmas we were in a   3 .All the boxes had arrived except for one. The tree trunk and stand were still  4 .We decided to wait one more day.
  5 , in Bremerhaven, a young mail clerk  6 a long thin box under a counter. He picked it up and saw the customs tag(标签)which  7 “artificial(人造的)Christmas tree trunk and stand”. He realized that someone in Mannheim would be  8 a tree for Christmas. He felt  9for them, but there wasn’t much he could do. There was no  10 on Christmas.
He put the package on the  11 shelf and headed for the coffee bar. The place was 12 and he ended up sharing a table. Two men were speaking and the clerk  13 that one of his companions at the table was stationed in Mannheim. He had just picked up the  14 he had shipped from the States and was driving back that afternoon. The clerk thought of the 15 and said to the man,“You could really  16 Santa for someone in Mannheim tonight if you’d like to.”He explained about the lost tree trunk and stand. The man agreed.
The following day, my husband was reaching for his coat  17 the doorbell rang. There stood a  18 holding a long thin carton, our tree trunk and stand. He explained about the clerk and the coffee bar meeting. We invited him in,  19 it was Christmas Eve and he left in a hurry.
The next day as we celebrated the Christmas with the beautiful tree, I whispered:“Bless those two strangers who  20 our Christmas with their kindness.”
小题1:
A.agreedB.refusedC.stoppedD.failed
小题2:
A.bagsB.containersC.boxesD.parts
小题3:
A.hopeB.lossC.messD.panic
小题4:
A.brokenB.separatedC.unknownD.missing
小题5:
A.MeanwhileB.HoweverC.ThereforeD.Afterward
小题6:
A.hid B.forgotC.coveredD.found
小题7:
A.readB.wroteC.signedD.meant
小题8:
A.exceptB.byC.alongD.without
小题9:
A.sureB.happyC.painfulD.sorry
小题10:
A.passageB.messageC.deliveryD.labor
小题11:
A.safeB.highC.properD.secret
小题12:
A.takenB.orderedC.closedD.crowded
小题13:
A.supposedB.discoveredC.expectedD.wondered
小题14:
A.carB.mailC.passengerD.gift
小题15:
A.difficultyB.familyC.packageD.accident
小题16:
A.becomeB.playC.pretendD.assist
小题17:
A.beforeB.whileC.untilD.when
小题18:
A.postmanB.santaC.strangerD.driver
小题19:
A.butB.andC.soD.as
小题20:
A.celebratedB.decorated
C.confirmedD.brightened
题型:填空题

下列有关蜂蜜炼制目的的叙述,错误的是()

A.除去水分

B.除去杂质

C.改变药性

D.增加黏性

E.杀死微生物,破坏酶

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