如图,如果一个水平放置的图形的斜二测直观图是一个等腰直角三角形,斜边长为1,那么原平面图形的面积是( )
A:2
B:22
C:24
D:12
①蛋白质鉴定时,将NaOH溶液和CuSO4溶液混合后再加入样液
②还原糖鉴定时,需要进行水浴加热
③淀粉鉴定时,直接将碘液滴加到淀粉样液中
④观察线粒体时,可用新鲜的藓类叶片代替口腔上皮细胞.
给下列划线的字注音。
樊於期____ 而右手揕其胸____ 以药淬之____
人不敢与忤视____ 为变徵之声____ 士皆瞋目____
They walked____(穿过)the forest yesterday afternoon.
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