Read and circle．(读句子，选出正确的单词填空。) 

1．She's________(a/a bit)  shy.    

2. This is a book________for/about) Canada.    

3. On Saturday we're going to________(go/went) to the zoo.    

4. Will you________(take/taking) your kite tomorrow?    

5. Robot,can__________ (doing/do) everything.

中年男性，骑摩托车摔倒，左小腿砸伤10小时后来院。检查见左小腿中段高度肿胀，坚硬并有异常活动，足部皮温较对侧低，感觉明显减退，足背动脉触不到。X线证实左胫腓骨中段骨折。其可能的并发症是（）

A.胫前动脉损伤

B.腓总神经损伤

C.脂肪栓塞

D.感染

E.骨筋膜室综合征