母乳喂养代授法

下列没有语病的一句是( )。

A．在欢迎的人群中，既有70多岁的老人，也有在人们怀抱里的两岁的孩子

B．经过刻苦的练习，在选拔赛上他射击的五次成绩平均都在95环以上

C．语文是各门学科的基础，学习自然科学如果不掌握语文这一工具，就不可能正确理解概念和原理，不可能有严密思维的能力

D．画家蔡若虹到延安附近却受阻，只好绕道香港、河内、昆明，历时七个月才到达理想之地

阅读理解。

     One Sunday morning Mr Green and his son, Bill are in a supermarket. The boy is only five years old.

  Mr Green wants to buy a new blouse for Mrs Green . Bill likes oranges , so his father buys two kilos (公

 斤) of oranges for him. Bill also wants to buy some comic books and colour pencils. He asks his father,

  "Dad, can you buy me some comic books and colour pencils?" "Of course, but what do you do with

  them?" Father asks. "My classmates have many, I want many, too." Mr Green is happy to buy some for

  his son.

1. Mr Green goes to the shop with _____.

    A. Mrs Green  

    B.  his son   

    C. his cousin

    D. his father

2. Mr Green wants to buy a new blouse for _____.

    A. Bill's mother  

    B. Bill      

    C. his friend

    D. Bill's sister

3. Bill likes _____.

    A. ice creams

    B. the new blouse

    C. oranges

    D. orange

4. Bill wants to buy _____.

    A. some comic books              

    B. some colour pencils

    C. T-shirt in the shop              

    D. A and B

5. Mr Green is _____ to buy his son some comic books and colour pencils.

    A. happy          

    B. sad        

    C. excited    

    D. sorry

某纯净物A稍稍加热就分解成NH₃、H₂O和CO₂，根据这一实验事实不能得出的结论是（　　）

A．A由四种元素组成

B．A是化合物

C．A中含有水

D．A不稳定

注意的功能包括（）。

A．选择功能

B．组织功能

C．保持功能

D．调节功能

E．监督功能

下列程序的输出结果是______。#include＜stdio.h＞main(){ int a=2,b=- 1,c=2; if(a＜b)if(b＜0) c=0;else c++; printf("%d\n",c);}