题干

能够消化蛋白质的一组消化液是 (    )

A:胃液、胰液、肠液

B:胆汁、胃液、胰液

C:唾液、胃液、胰液

D:胃液、唾液、胆汁

上一题 下一题 0.0难度 选择题 更新时间:2013-06-13 04:20:25

答案(点此获取答案解析)

A

同类题4

阅读下列材料,然后从A、B、C、D四个选项中选出能回答所提问题或完成所给句子的最佳选项。B
Broadcast 1/'brɔ:dkɑ:st||ˈbrɔdˌkæst/nC a program on the radio or on television: a radio news
 broadcast | live broadcast ( = a program that you
   see or hear at the same time as the events are happening)
broadcast2vpast tense and past participle, broadcast 1 I,T to send out radio or television programs: The interview was broadcast live across
Europe. 2 T to tell something to a lot of people:
 There was no need to broadcast the fact that he lost his job.
Curious
/ ˈkjʊəriəs || 'kjur-/ adj 1 wanting to know about
something: When I mentioned her name everyone was
 curious. | +about I'm incurious about this book she's
 supposed to be writing. |curious to see/hear/know etc:
Mandy was curious to hear what Peter had to say
 himself.—opposite INCURIOUS 2 strange or unusual: a        
curious noise coming from the cellar | curious that It's very curious that she left without saying goodbye.
Flask / flɑ:sk || flæsk/n C I BrE a special type
 of bottle that you use to keep liquids either hot or
 cold, for example when travelling 2 a flat bottle
 usually used to carry alcohol 3 a glass bottle with a
 narrow top, used in a LABORATORY
flat1/ flæt / adj flatter, flattest
1 ▶ SURFACE◀ smooth and level, without raised or hollow areas, and not sloping or curving: a flat-bottomed boat |a perfectly flat sandy beach |
pollute / pə'lu:t/ v  T 1 to make air, water, soil etc
dangerously dirty and not suitable for people to use:
 beaches polluted by raw sewage | industrial emissions
 that pollute the air 2 pollute sb's mind to give someone
immoral thoughts and spoil their character: fears that
 Lawrence's novels would pollute young minds--polluted adj: polluted rivers--polluter n C
pollution / pəˈlu:ʃn /n U 1 the process of making