【单选题】Many young researchers are finding solutions to problems that may __________. 查看材料
A.
a nearly 40-degree angle
E.
a super-strong battery
F.
benefit their community
【简答题】把四个边长为3厘米的正方形拼成一个大正方形。这个大正方形的周长是多少厘米?
【简答题】Many researchers believe, like crying does for small children, swearing helps ______.
【单选题】水中的含盐量对啤酒酿造过程很有影响,常规指标中影响最大的是()。
【单选题】Some researchers believe that many patterns of nature are rules of their own and not affected by natural selection.
【单选题】How many researchers does the passage mention? 查看材料
【单选题】女性,31岁。下雨淋雨受凉后出现发冷寒战,体温39℃,伴右侧胸痛,咳黄痰。胸透示右上肺野大片淡薄阴影。诊断初步考虑为肺炎球菌肺炎,首先需与以下相鉴别的是
【单选题】以下_______为肺癌与肺结核球的鉴别诊断要点( )
E.
肺结核球X线见肿块影密度不均匀有钙化点,周围常有散在性结核病灶
【单选题】把边长 3厘米的3个正方形拼成一个长方形,它的周长是( )。