结膜充血的特征有()
A.滴入0.1%肾上腺素充血不消失
B.充血的血管可随手指移动
C.来自角膜缘深层血管
D.呈鲜红色
E.愈近穹隆部充血愈明显
参考答案:B, D, E
真核细胞的细胞核,是遗传物质_____________和_______________的主要场所,是细胞代谢活动的_____________。
The hotel ____ me $50 for a single room during one night.
A.took
B.cost
C.charged
D.paid