问题 实验题

平面镜是人们常用的工具,下面是某物理兴趣小组对平面镜的探究:

(1)方博同学在观察平面镜成像时,得出以下结论,你认为其中不正确的是[ ]

A、烛焰在平面镜中成的像是虚像

B、若把点燃的蜡烛移 * * 面镜,它的像变大

C、若把蜡烛的位置和它的像的位置用直线连接起来,则连线与镜面垂直

D、当点燃的蜡烛远离平面镜时,它的像也逐渐远离平面镜      

E、当蜡烛以0.5m/s的速度靠 * * 面镜,蜡烛相对于其像的速度为1m/s 

(2)检查视力时,眼睛距视力表应为5m,由于室内两墙距离只有3m,晓明找来一块平面镜解决了这个难题。把平面镜和视力表分别挂在相对的两面墙上,这时晓明距平面镜的距离应为__________m。

(3)城市中高楼耸立,且在高楼大厦外墙多镶嵌着大幅平板玻璃,这实际上形成了                   污染。亮亮经过一个十字路口时看到,路口右侧楼房上嵌有面对正西南方向的平板玻璃如图所示。他发现玻璃中一辆小车向西行驶到十字路口再向左转弯(镜中车的左)则这辆小车在转弯后的行驶方向是___        

答案

(1)B

(2)2

(3)光,东

完形填空
I dreamed I had an interview with God.
“So you would like to interview me?” God asked. “If you have the time,” I said. “My time is eternity(永恒),” God smiled, “What questions do you have(1)_________for me?” “What surprises you most about humankind?” God answered, “That they (2)__________ bored with childhood, they rush to grow up, and then long to be children(3)_________. That they lost their health to make money… and then lost their money to restore their (4)__________. Then by thinking anxiously (5)__________ the future, they forget the (6)___________, so that they live in neither the present nor future. That they live as if they will never die, and die (7)__________ they had never lived.” God’s hand took mine and we were silent for a while.
And then I asked, “(8)__________ a parent, what are some of life’s lessons you want your children to(9) ___________?” He answered, “To learn they (10)__________make anyone love them. All they can do is to let themselves love(11)____________. To learn that it is not good to compare themselves to others. To learn to forgive by practicing forgiveness. To learn that it only(12)___________ a few seconds to open profound(深的) wounds in those they love, and it can take many years to heal (13)__________. To learn that a rich person is not one who has the most, but is the one who need the (14)___________. To learn that there are people who love them(15)____________, but simply have not yet learned how to express or show their(16)___________. To learn that two people can look at the same thing and (17)___________ it differently. To learn that it is not enough that they forgive one(18)____________, but they must also forgive themselves.”
“Thank you for your(19)___________,” I said humbly. “Is there anything else you would like(20)_____________ to know?” God smiled and said, “Just to know that I am always here.”
小题1:
A.in lifeB.by heartC.at handD.in mind
小题2:
A.runB.liveC.getD.prove
小题3:
A.eitherB.tooC.furtherD.again
小题4:
A.lifeB.healthC.livesD.spirits
小题5:
A.aboutB.inC.forD.over
小题6:
A.childrenB.livingC.timeD.present
小题7:
A.so thatB.in order thatC.as thoughD.in case
小题8:
A.AsB.ForC.AboutD.By
小题9:
A.listenB.studyC.learnD.attend
小题10:
A.can’tB.won’tC.needn’tD.mustn’t
小题11:
A.othersB.anyoneC.everyoneD.someone
小题12:
A.getsB.hasC.spendsD.takes
小题13:
A.itB.themC.themselvesD.these
小题14:
A.bestB.leastC.lastD.health
小题15:
A.mainlyB.lovelyC.dearlyD.fairly
小题16:
A.wordsB.expressionsC.ideasD.feelings
小题17:
A.seeB.watchC.regardD.treat
小题18:
A.otherB.anotherC.of themD.itself
小题19:
A.timeB.wordC.beliefD.kindness
小题20:
A.meB.your humankindC.your lifeD.your children
判断题