满足下列条件的△ABC，不是直角三角形的是（　　）

用括号内所给动词的适当形式填空，并将答案写在答题卡标有题号的横线上。
⑴We all love Mr Hu who is very kind and ____ (treat) us as his own children.
⑵____  you____ (hand) in the report today?
     Yes, I put it on your desk shortly after lunch .
⑶The cinema we used to go to____  (turn) into a hotel by the government in two years
⑷Timmy is active. He has many hobbies from____  (collect) stamps to outdoor-activities .
⑸The accident was so bad that all the doctors except Dr Li____  (save) the patients in danger at that time,
⑹He told us the boat would not float in the direction of wind if it____  (control).
⑺The old man was honoured for what he____  (do) for the poor since 10 years ago..
⑻The girl thought that her decision ____  (affect) her future study in college and job as well.

沙  ____       A.将土块放入盛水的烧杯中，看是否有气泡冒出

空气____       B.将干燥的土块放在石棉网上烧，当土块冒烟时，是否闻到臭味

腐殖质____     C.用玻璃棒把放入水中的土块搅拌均匀，沉淀后看颗粒分布