搜题请搜索小程序“爱下问搜题”
问题 选择题

173. One of my Japanese friends sent me two _____, but I didn’t accept them.

A．jewels

B．jewel

C．jewelry

D．Jewelries

答案

 A

补全对话，情景问答
从右栏中选出与左栏相对应的答语，将其字母标号填入括号内。

( ) 1. What do you want to buy?
( ) 2. How old are you?         
( ) 3. Nice to meet you.
( ) 4. Where are you going?
( ) 5. What's this in English?
( ) 6. What colour is it?       
( ) 7. Where's the ice cream?
( ) 8. May I borrow it?    
( ) 9. Where do they work? 
( ) 10. Let's go to the silk shop.
( ) 11. Excuse me.      

A. To the store.         
B. It's over there.      
C. Sure.                 
D. A new dress.          
E. Okay, let's go.      
F. Nice to meet you.    
G. Eight.               
H. Yes?                          
I. In an office building.                                                                       
J. Blue.                
K. It's a mall.          

查看答案
单项选择题

柏油样便是由于

A．血红蛋白中的铁在肠道内与硫化物结合形成硫化亚铁
B．血红蛋白中的铁在肠道内被氧化
C．血红蛋白中的铁在肠道内与胃蛋白酶作用
D．血红蛋白以原物形式排出
E．血红蛋白中的铁在肠道内与肠液作用
查看答案