题目内容

Nowadays lots of students ask their parents for money to buy things they like. For me, to ask for money is like entering a(n)1. I learned this from2.
Last year my mother told me that the 3way I would get a driver’s license before I turned eighteen depended on 4I paid for the classes myself. “What?” I asked in 5. But I knew 6that my reasoning would have no 7on the situation,8 by the look on my mother’s face.
Three weeks later, I started working 9 a hostess at a factory, twice a week. A month later I paid $ 270 for driving lessons, and then over $ 20 to 10my permit test. My pockets were empty 11as soon as they were filled.
My mother thought that I’d be 12to do things without her help. The funny thing was that even though I was totally 13in the beginning, I truly appreciated it, 14if I had just been handed bills from her.
When I realized that my mother wasn’t going to 15something like a driver’s license, at first, it seemed as if she had 16 an immovable block before me and I would never 17it. But my mother was 18 . She knew that I wanted a luxury(奢侈品)but 19me to get it. That is as 20as this ---- if I really want it, I’11 find a way to get it myself.

  1. 1.
    1. A.
      office
    2. B.
      prison
    3. C.
      battlefield
    4. D.
      bank
  2. 2.
    1. A.
      facts
    2. B.
      experience
    3. C.
      lessons
    4. D.
      quarrels
  3. 3.
    1. A.
      best
    2. B.
      proper
    3. C.
      same
    4. D.
      only
  4. 4.
    1. A.
      whether
    2. B.
      that
    3. C.
      how
    4. D.
      when
  5. 5.
    1. A.
      trouble
    2. B.
      disbelief
    3. C.
      comfort
    4. D.
      horror
  6. 6.
    1. A.
      hurriedly
    2. B.
      jokingly
    3. C.
      instantly
    4. D.
      surprisingly
  7. 7.
    1. A.
      effect
    2. B.
      sense
    3. C.
      effort
    4. D.
      result
  8. 8.
    1. A.
      judged
    2. B.
      judging
    3. C.
      to judge
    4. D.
      being judged
  9. 9.
    1. A.
      with
    2. B.
      for
    3. C.
      like
    4. D.
      as
  10. 10.
    1. A.
      pass
    2. B.
      take
    3. C.
      hold
    4. D.
      gain
  11. 11.
    1. A.
      almost
    2. B.
      even
    3. C.
      still
    4. D.
      yet
  12. 12.
    1. A.
      ready
    2. B.
      likely
    3. C.
      unhappy
    4. D.
      unable
  13. 13.
    1. A.
      terrified
    2. B.
      annoyed
    3. C.
      tired
    4. D.
      disturbed
  14. 14.
    1. A.
      more than
    2. B.
      rather than
    3. C.
      no more
    4. D.
      no longer
  15. 15.
    1. A.
      pay
    2. B.
      raise
    3. C.
      buy
    4. D.
      support
  16. 16.
    1. A.
      laid
    2. B.
      lay
    3. C.
      lied
    4. D.
      lain
  17. 17.
    1. A.
      get about
    2. B.
      get by
    3. C.
      get through
    4. D.
      get over
  18. 18.
    1. A.
      wise
    2. B.
      mistaken
    3. C.
      strict
    4. D.
      kind
  19. 19.
    1. A.
      dared
    2. B.
      hoped
    3. C.
      encouraged
    4. D.
      expected
  20. 20.
    1. A.
      well
    2. B.
      far
    3. C.
      soon
    4. D.
      simple
CBDAB CABDB ADBAD ADAAD
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Can people change their skin color without suffering like pop king Michael Jackson? Perhaps yes.Scientists have found the gene that determines skin color.
The gene comes in two versions, one of which is found in 99 per cent of Europeans.The other is found in 93 t0 100 per cent of Africans, researchers at Pennsylvania State University report in the latest issue of Science.
Scientists have changed the color of a dark - striped zebrafish(斑马鱼) to uniform gold by inserting a version of the pigment(色素) gene into a young fish.As with humans, zebrafish skin color is deter-mined  by pigment cells,which contain melanin(黑色素).The number,  size and darkness of melanin perpigment cell determine skin color.
It appears that, like the golden zebrafish, light - skinned Europeans also have a mutation (变异) in the gene for melanin production.This results in less pigrnented skin.
However, Keith Cheng, leader of the research team, points out that the mutation is different in hu-man ancl zebrafish genes.
Humans acquired dark skin in Africa about l.5 million years ago to protect bodies from ultra - violetrays of the sun. which can cause skin cancer.
But when modem humans leave Africa to live in northem latitudes, they need more sunlight on their skin to produce vitamin D. So the related gene changes, according to Cheng.
Asians have the same version of the gene as Africans, so they probably acquired their light skin through the action of some other gene that affects skin color, said Cheng.
The new discovery could lead to medical treatments for skin cancer.lt also could lead to research in-to ways to change skin color without damaging it like chemical treatment did on Michael Jackson.
【小题1】Scientists have done an experiment on a dark -striped zebrafish in order to

A.fincl the different genes o humans'
B.prove the humans' skin color is determined by the pigment gene
C.find out the reason why the Africans' skin color is dark
D.fincl out the ways of changing people's skin color
【小题2】lt can be inferred from the passage that      .
A.nowadays people who want to change their skin color have to suffer 8 lot from the damage caused by the chemical treatment
B.Europeans and Africans have the same gene
C.the new discovery could help to find medical treatments for skin cancer
D.there are two kinds of genes
【小题3】The passage mainly tells us that      .
A.scientists have found out that people's skin color is determined by the gene
B.the new discovery could lead to research into ways to change skin color safely
C.pop king Michael Jackson often changed his skin color as he liked
D.people can not change their skin color without any pain
【小题4】The reason why Europeans are light - skinned is probably that      .
A.they are bom light - skinned people
B.light - skinned Europeans have mutation in the gene for melanin production
C.they have fewer activities outside
D.they pay much attention to protecting their skin
【小题5】The writer's attitude towarcls the discovery is      .
A.neutralB.negativeC.indifferentD.positive

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