小题1:I can’t i________    （想象）the life without electricity.

小题2:Talking to f________     can improve your foreign language very fast.

小题3:He hurt his leg, now the doctors are o________     on his leg.

小题4:Your dad went to Qingdao on  b________    （做生意）.

小题5:I went to bed too late last night and I’m very s________    now.

小题6: Read the ________     (说明) carefully before taking the medicine.

小题7:I asked her for help, but she ________        (拒绝).

小题8: He did a ________       (完美的) job, we’re proud of her.

小题9:The write decides to ________   (重写) the story because some readers don’t like it.

小题10: Dr Bethune ________ (发明) some medical tools to help save the injured soldiers.

培育B细胞的淋巴器官是（）。

A.淋巴结

B.脾

C.胸腺

D.扁桃体

E.以上都不是