问题 选择题

生活中很多热现象可以用学过的物理知识来解释,下列解释不正确的是(  )

A.天气很冷时窗户玻璃上出现冰花,这是由于凝固产生的

B.湿衣服挂在阴凉处也能变干,是因为蒸发可以在任何温度下发生

C.游泳后,刚从水中出来感觉比较冷,这是因为人身上的水分蒸发带走热量

D.冰箱中取出的冰茶,过一会,容器的外壁附着一层小水珠,这是由于液化形成的

答案

A、天气很冷时,窗户玻璃上会出现冰花,是室内温度较高的水蒸气遇到温度较低的玻璃凝结成的小冰晶,属于凝华现象,该选项说法不正确;

B、湿衣服中的水分在阴凉处照样可以发生蒸发现象,使得衣服里的水汽化,从而衣服变干,该选项说法正确;

C、游泳后,刚从水中出来,感觉比较冷,这是因为人身上的水分蒸发带走热量,该选项说法正确;

D、取出冰箱的冰茶一会儿,发现包装外层出现小水珠,这是一种液化现象,故该选项说法正确.

故选A.

单项选择题
完形填空

第二节:完形填空(共20小题;每小题1.5分,满分30分)

阅读下面短文,掌握其大意,然后从36-55各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。

I had offered to watch my 3-year-old daughter, so that my wife could go out with a friend. I was getting some work done in my study while she    36    to be having a good time in the other room. No problem, I   37  . But then it got a little too   38  and I shouted, “What are you doing?” No response, I repeated my question and heard her say, “Oh … nothing.” Nothing?

I got up from my desk and ran out into the living room, whereupon I saw her running across the hall. I followed her as her little behind made a quick   39   into the bedroom. I was approaching her! She took   40    for the bathroom. Bad move.I had her   41   ! I told her to turn around. She refused. I pulled out my big, mean,   42   Daddy voice, “Young lady, I said turn around!”

43  , she turned toward me. In her hand was what was left of my wife’s new lipstick. And every square inch of her face was  44  with bright red! As she looked up at me with fearful eyes, I heard  45  voice that had been shouted to me as a child. “How could you … you should know … How many times have you been  46  …What a bad thing to do …”It was just a matter of my picking out which old  47  I was going to use on her so that she would know what a bad girl she had been. But  48  I could let loose,I looked down at the sweatshirt my wife had put on her only an hour  49  . In big  50  it said, “I’M A PERFECT LITTLE ANGEL(天使)!” I looked back up into her tearful eyes and,  51  seeing a bad girl who didn’t listen, I saw a little angel full of  52  that I had come dangerously close to  53 . “Sweetheart, let’s take a picture so Mommy can see how  54  you look.” I took the picture and thanked God that I didn’t miss the chance to prove what a perfect little angel  55  had given me.

36.   A.happened    B.liked    C.appeared     D.pretended

37.   A.did      B.worked out    C.figured  D.won

38.   A.long    B.quiet         C.calm      D.strange

39.   A.way     B.turn     C.change D.progress

40.   A.back    B.out      C.off       D.away

41.   A.followed     B.scolded       C.cornered      D.frightened

42.   A.kind    B. authoritative      C.inviting       D.fatherly

43.   A.Slowly B.Quickly       C.Angrily       D.Unfortunately

44.   A.filled   B.marked       C.printed D.covered

45.   A.every   B.such     C.any      D.one

46.   A.told     B.beaten  C.frightened   D.forbidden

47.   A.reports B.notice  C.advice  D.message

48.   A.as B.when   C.until    D.before

49.   A.before  B.ago      C.earlier  D.later

50.   A.signs    B.letters  C.messages     D.figures

51.   A.because of   B.instead of    C.in spite of    D.as a result of

52.   A.sadness       B.worth   C.tears    D.tricks

53.   A.preventing   B.getting rid of      C.destroying   D.doing wrong on

54.   A.dirty    B.ugly     C.special D.silly

55.   A.my wife               B.my daughter     C.it                D.he