问题 选择题

下列关于某些营养物质的化学性质描述错误的是(   )

A.淀粉遇碘水会变蓝

B.蛋白质遇可溶性重金属盐会失去生理活性

C.油脂能在人体内氧化分解,释放出热量

D.葡萄糖在人体内可转化为蔗糖、淀粉和纤维素

答案

答案:D

蔗糖、淀粉可以在人体内转化为葡萄糖,葡萄糖在人体内经缓慢氧化转换成二氧化碳和水。

补全对话,情景问答
从Ⅱ中找出与Ⅰ相对应的句子。
Ⅰ                                             
( )1. Let's play soccer.                        
( )2. Do you have 70 tennis at school?              
( )3. Do they like watching TV?                  
( )4. Does Eddy like sports?                      
( )5. Do you and your friend play soccer every day? 
( )6. I'm sorry I can't play tennis.               
( )7. How many baseballs do you have?.             
( )8. Where's your ping-pong bat, please?           
( )9. Do you like computer games?.                  
( )10. What's favorite sport?                       
Ⅱ                                         
A. Yes, they do.                           
B. No, he doesn't.                         
C. No, we don't.                           
D. Great! That sounds fun.                 
E. No, I have sixty.                       
F. I like both soccer and ping-pong.       
G. It's in my backpack.                    
H. Yes, it's interesting.                  
I. Don't worry, it's easy, let me teach you.
J. Only one.                               
问答题 简答题