欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

多項(xiàng)式2x3?x2+x4?5?4x按字母的降冪排列為 . 查看更多

 

題目列表(包括答案和解析)

聽(tīng)小對(duì)話,請(qǐng)從A 、B 、C 三個(gè)選項(xiàng)中選擇正確的選項(xiàng)。
1. What's this?
A. J                    
B. L                  
C. X
2. Is this Kate's ruler?          
A. Yes, it is.              
B. No, it's Jim's ruler.    
C. No, it's Bob's ruler.
3. Who is David ?
A. Mr White's cousin.        
B. Mr. White's son.        
C. Mr. White's student
4. What's Ed's room number?          
A. It's 523.              
B. It's 623              
C. It's 532
5. What color is his pencil case?          
A. Red.                
B. Green.              
C. Yellow.

查看答案和解析>>


同步練習(xí)冊(cè)答案