问题 单项选择题 A1/A2型题

自动生化分析仪所指的交叉污染主要来自()

A.样本之间、仪器之间

B.仪器之间、样本之间、试剂之间

C.试剂之间、仪器之间

D.试剂与样本之间、仪器之间

E.样本之间、试剂之间、试剂与样本之间

答案

参考答案:E

完形填空

Look at this girl in the picture, she is      good friend.      name is Lily. She is English. She is      . This is me. My       is Li Ling. I’m a Chinese girl. I am one year younger than Lily. We are ____ the same class. Lily likes sports. She      a great sports collection. Look, these are her things. She has 10 tennis rackets, 8 baseballs, 6 basketballs, 12 soccer balls _      18 volleyballs. But she       play sports. She      likes collecting sports things. His brother, David, likes soccer. He plays         every day with his friends.

小题1:A. I                          B. me                  C. my   

小题2:A. She                           B. Her                 C. His

小题3:A. thirteen                       B. thirteenth              C. third

小题4:A. friend                     B. mother              C. name

小题5:A. in                         B. at                  C. on 

小题6:A. is                         B. have                C. has

小题7:A. and                        B. or                  C. but

小题8:A. don’t                     B. isn’t                  C. doesn’t

小题9:A. no                            B. not                 C. only    

小题10:A. volleyball                    B. soccer              C. baseball

填空题