脑脓肿形成期增强扫描脓肿壁明显强化具有以下特点,除了()
A.完整
B.光滑
C.壁薄
D.壁厚
E.均匀
参考答案:D
用方框内的单词完成下面的句子(共10分)(有多余选项)。
小题1:He__________gets up at six o'clock, seven days a week.
小题2:How__________ do you go to the movies?
小题3:It__________rains here. It's usually sunny and warm.
小题4:Some of my friends exercise every day and hardly ever eat junk food, but most of them eat junk food __________.
小题5:I can't swim. So I__________go to the beach to swim. Sometimes I go there with my friends to run.
下列实验现象描述与事实不符合的是
A.铁丝在氧气中燃烧,火星四射
B.红磷在空气中燃烧,产生大量白烟
C.镁与稀盐酸反应产生气体,放出热量
D.木炭在氧气中燃烧,发出白光,有黑色固体生成