组成细胞的有机物是______、______和______三大类，它们都能够为生_爱下问搜题

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问题填空题

组成细胞的有机物是______、______和______三大类，它们都能够为生命活动提供______．

答案

人体需要的营养物质主要有无机物和有机物两大类．无机物有水、无机盐和维生素，是小分子的，不需要消化，可以被人体直接吸收，不能为人体提供能量．有机物有糖类、脂肪和蛋白质，是大分子的，要经过消化后才能被人体吸收和利用，能为人体提供能量．

故答案为：糖类；脂肪；蛋白质；能量

完形填空

完形填空。

     Mrs Forgetful has a lot of friends, but she knows   1   of them well. She has a big house with a garden. The gardener grows all kinds of beautiful flowers in it. She has
her own driver,   2   and she doesn't do any housework. But she has felt lonely   3
her husband died. She wishes someone could talk with her.
    One day the woman heard a new film was    4  at a cinema. She went there at once. When she got there, they told her the film. was    5   at a quarter past eight. She had a
look at her watch and there were twenty minutes left. There were only some people
there. She began to talk to a man   6   her. "I saw Mr Hunt this morning. He's much
fatter than before," said the woman. "We should tell him to do more exercise. "
     "Mr Hunt? Who's he?" the man asked   7   surprise.
     "Oh, you've forgotten our friend!" said the woman.
     "But I don't know him at all, Madam ! "
      The film began and she had to stop .  8  . When the film was over, she met the
man at the exit.
     "Oh, Mr Hunt," said Mrs Forgetful. "Can you guess what I   9 just now?"
     "Yes, I can, Madam," said the man. "You did the same thing you're doing
now."    10  these words, the man hurried off.

( )1. A. all
( )2. A. friends
( )3. A. ago
( )4. A. being shown
( )5. A. started
( )6. A. next to
( )7. A. at
( )8. A. to talking
( )9. A. do
( )10.A. To say

B. some
B. children
B. after
B. be shown
B. starting
B. besides
B. in
B. for talking
B. have done
B. With

C. none
C. cooker
C. since
C. be showing
C. starts
C. between
C. with
C. talking
C. had done
C. Without

D. nobody
D. cook
D. before
D. being showing
D. to starting
D. behind
D. for
D. to talk
D. did
D. Said

多项选择题

与国际通行的支出功能分类和支出经济分类法相比，中国传统的支出分类是一种功能与性质混合的分类方法，其存在的不足是()。

A.财政支出的分类标准不统一

B.部分支出按功能分类，部分支出按经济性质分类

C.可以全面反映政府职能，但难以精确反映财政支出的经济性质

D.不利于细化预算编制和强化预算约束

E.难以进行国家横向比较