第24题: [单项选择]有关常规细胞培养箱气体比例的描述,下列正确的是() A. 1%CO2,99%空气的CO2培养箱 B. 2%CO2,98%空气的CO2培养箱 C. 3%CO2,97%空气的CO2培养箱 D. 4%CO2,96%空气的CO2培养箱 E. 5%CO2,95%空气的CO2培养箱 参考答案:E 答案解析:
第26题: [单项选择]The fact that they reacted ,so differently was a reflection of their different ________. A. performances B. personalities C. qualities D. appearances 参考答案:B 答案解析:[解析] 近义名词辨析。A. performances表演;B.personalities个性,性格;C.qualities品质,特征;D. appearances外表,样子。根据句意应选B。句意为: