男性患者，30岁，4年来先下身渐全身的骨疼痛。1年来行动困难，身高缩短10cm，半年前不明原因的肋骨和股骨上段骨折。诊断应考虑（）

A.增生性骨关节炎

B.骨癌

C.类风湿关节炎

D.代谢性骨病

E.骨髓炎

用括号内所给动词的适当形式填空

小题1:She ___(write) twenty pop songs which are liked by fans by the end of last year.

小题2:________(quarrel) with others isn’t good manners for everyone.

小题3:－         the price           (include) coffee and hamburgers?

－I’m afraid not.

小题4:The teacher told us that three quarters of our earth         (cover) by water.

小题5:Everyone knows that the disabled mustn’t __________ (laugh) at

小题6:We should try our best to prevent the air pollution                (live) a happy life.

小题7:With all lights on, the hall______ (become) as bright as day when we arrived.

小题8:How soon do you think we            (get) to the hotel?

小题9:Mr. Green told me that his family        (go) for a holiday the next week.

小题10:–Did you see him come in just now?