Teachers may ________ these two methods into what Professor Michael Ullman calls immersion-style classroom teaching. But is that ____________ a better way to learn a language?
查看答案
Mr. Ullman was the ________________ for the new study. He is a professor of neuroscience at Georgetown University Medical Center in Washington. He says he was _________ to find that_________ the two methods might not help the brain inprocessingthe new language.
溶血标本不会影响以下检验结果的是
A. 血细胞比容
B. 红细胞计数
C. 血小板计数
D. 血清钾浓度
E. 血清转氨酶
关于瑞氏染色的叙述,正确的是
A. 最适pH是6.4~6.8
B. 染料仅由酸性伊红和碱性亚甲蓝组成
C. 瑞氏染色现用现配:
D. pH偏碱,细胞染色偏红
E. 化学的亲和作用是细胞着色的主要原因
血涂片染色后红细胞染成蓝绿色和白细胞核染成紫色,可在下述何种情况时出现A.缓冲液在血片上放置过久
A. 染色时间不够
B. 染色时间过长
C. 瑞氏染色结果偏碱
D. 瑞氏染色结果偏酸