题型：问答题 完形填空。 In a class I teach adults.I gave the task to "Go to someone you love,and tell them that youlove them."At the beginning of the next __1__,one of the students began by saying,"I was __2__ with you last week when you gave us this __3__.But as I began driving home my conscience(良心) started talking.Then I knew __4__ who I needed to say 'I love you'to.Five years ago,my father and I had a __5__ and never really resolved it.We __6__ seeing each other unlesswe absolutely had to at family gatherings.We hardly __7__ to each other.So by the time I got home,I had __8__ myself I was going to tell my father I loved him.Just __9__that decision seemed to lift a heavy load off my chest.At 5:30,I was at my parents'house ringing the doorbell,praying that Dad would __10__ the door.__11__ luck would have it,Dad did answer the door.I didn't __12__ any time-I took one step in the door and said,'Dad,I just __13__ overto tell you that I love you.'It was as if a change came over my dad.Before my __14__ his facesoftened,the wrinkles (皱纹)seemed to __15__ and he began to cry.He __16__ out andhugged me and said,'I love you too,son,but I've never been able to say it.'But that's not__17__my point.Two days after that visit,my dad had a heart attack and is in the hospital.I don't even know if he'll __18__ it.So my __19__ to all of you is this: Don't wait to do the things you knowneed to be done.What if I had waited to tell my dad?Take the__20__ to do what you need toand do it now!"( )1. A．day ( )2. A．angry( )3. A．task( )4. A．hardly( )5. A．disagreement ( )6. A．kept( )7. A．talked( )8. A．advised( )9. A．doing( )10.A.answer( )11. A．When( )12. A．treasure( )13. A．came( )14. A．eyes( )15. A．appear( )16. A．reached( )17. A．still( )18. A．make( )19. A．information ( )20. A．timeB．afternoon B．satisfied B．order B．exactly B．debateB．preferred B．comforted B．toldB．makingB．close B．AsB．killB．wentB．noseB．disappear B．ran B．evenB．sufferB．newsB．patienceC．morning C．strictC ．workC．badly C．word C．hoped C．helpedC．convincedC．performingC．pullC．WhileC．wasteC．glancedC．headC．deepenC．stretchedC．everC．bearC．messageC．stepD．classD．anxiousD．problemD．sadlyD．promiseD．avoidedD．laughedD．promised D．taking D．drag D．SinceD．enjoyD．looked D．arms D．increase D．worked D．yetD．succeedD．note D．class 查看答案
题型：问答题 * * 同学设计了右图所示的实验装置，进行一氧化碳还原氧化铜的实验。试回答：（1）当装置B中的澄清石灰水变浑浊时，说明____________________________________(2)为了保证安全，在通入CO气体之前应该______________________________。 查看答案
