1/500地形图上的比例尺精度和测图精度为实地上的()。
A.0.05m、0.10m
B.0.10m、0.50m
C.0.05m、0.25m
D.0.10m、0.25m
参考答案:C
急性肾盂肾炎属于
A.病毒性炎症B.过敏性炎症C.细菌性炎症D.免疫性炎症E.中毒性炎症
By the time the new pupil ___ enough courage to raise his hand, the bell__ for the end of the lesson
A.had gathered…was already ringing
B.was gathering…had already rung
C.gathered… had already rung
D.would gather… have rung