为开展“争当书香少年”活动,小石对本校部分同学进行“最喜欢的图书类别”的问卷调查,结果统计后,绘制了如下两幅不完整的统计图:
─ Do you drink much coffee as before?
─ No, at all. My sleeping problem is getting worse.
首次发现青霉素此种抗生素的科学家是弗莱明.(判断对错)