问题 单项选择题

根据建筑工程中钢筋工程的检验评定标准,若钢筋表面经除锈后出现(),则严禁按原规格使用。

A、机油

B、水泥浆

C、老锈

D、浮锈

答案

参考答案:C

阅读理解
选择正确单词完成下列短文。
        I    1    writing a letter    2    my cousin. I write with a pen.  
        I write    3    a piece of  paper.    4     the top of the letter, I write the day. What day is it? It's Thursday,
March 12th. I write my name at the bottom of    5    letter. I put my letter in an envelope. Now, I write the 
address on the envelope.
(     ) 1. A. is   
(     ) 2. A. on 
( ) 3. A. on                     
( ) 4. A. Are     
( ) 5. A. the   
B. are 
B. to                      
B. with                           
B. On      
B. on  
C. am 
C. in     
C. at                               
C. Up  
C. many
根据上面的短文回答问题。
1. What are you doing?
                                                        
2. What day is it?
                                                         
3. Where do you write your name?
                                                          
4. Do you put your letter in an envelope?
                                                          
5. Where do you write the address?
                                                          
单项选择题