问题 选择题

不含消化酶的是(   )

A.唾液

B.胃液

C.胆汁

D.肠液

答案

答案:C

题目分析:A.唾液是由唾液腺分泌的,里面含有唾液淀粉酶,能对淀粉进行初步消化呈麦芽糖,故不符合题意.

B.胃液是由胃腺分泌的,里面含有胃蛋白酶,能对蛋白质进行初步消化,故不符合题意.

C.胆汁是由肝脏分泌的,里面不含消化酶,当能对脂肪起乳化作用,将比较大脂肪颗粒乳化成比较小的脂肪微粒,利于脂肪的物理性消化,故符合题意.

D.肠液是由肠腺分泌的,里面含有多种消化酶,能对脂肪、淀粉、蛋白质进行化学性消化.故不符合题意.

完形填空
I was successful at my job. I worked very hard, but it 36  me and my family a fabulous (极好的) lifestyle. I’d worked for the same company for twenty years and had worked my way up to department director.  37 , one afternoon last May, I was called to the office, and it was  38  explained to me that they were letting me go. I just sat there  39  they talked on and all I could think was, “I’ve  40 .”  I’d been so well respected, but  41  I was of no value.
For six weeks, I was in a very  42  place. I wandered around my house like a zombie (僵尸). I could 43 things needed doing, but would not do anything. My beliefs in looking forward and seeing the positive (积极的) in everything  44  me.
Then, in late June, my youngest son’s football team made the city cup final. The year before, he’d been very sad when I  45  the same final, so he was  46  when I told him I’d go. Not only did they win, but the look on his face as he saw me  47  him on was unbelievable, From then on, I spent the summer enjoying my some and their passions (激情). I attended match after match and performances of my elder son’s band — I  48  went to another city to watch him play. These moments were so  49 . My life had been so much devoted to  50  for so long, and I felt  51  that my sons were happy to welcome me into their world.
 52 , being unemployed gave me back a sense of purpose --- I was someone’s mum! I felt a sense of being  53  Again. Now I feel more positive about my professional  54  and I’m getting on better with my family than I ever have. Losing my job made me realize just how  55  it is to achieve real balance in life.
小题1:
A.promisedB.affordedC.showedD.left
小题2:
A.ThereforeB.AnyhowC.OtherwiseD.However
小题3:
A.quicklyB.gentlyC.partlyD.easily
小题4:
A.untilB.afterC.asD.so
小题5:
A.failedB.finishedC.triedD.changed
小题6:
A.suddenlyB.finallyC.immediatelyD.shortly
小题7:
A.secretB.quietC.lonelyD.dark
小题8:
A.seeB.getC.suggestD.understand
小题9:
A.defendedB.directedC.desertedD.disturbed
小题10:
A.watchedB.missedC.lostD.won
小题11:
A.disappointedB.worriedC.honoredD.delighted
小题12:
A.cheeringB.takingC.leadingD.passing
小题13:
A.justB.evenC.stillD.almost
小题14:
A.hopefulB.meaningfulC.difficultD.strange
小题15:
A.workB.familyC.matchesD.performances
小题16:
A.successfulB.thoughtfulC.thankfulD.peaceful
小题17:
A.NaturallyB.DoubtfullyC.DisagreeablyD.Unexpectedly
小题18:
A.employedB.comfortedC.valuedD.encouraged
小题19:
A.educationB.experienceC.relationship D.future
小题20:
A.importantB.interestingC.simpleD.surprising
单项选择题