题目

Tiny tot’s big adventure: Super Baby, a multimedia children’s play co-produced by Beijing Children’s Art Theater and Yeowoobi Animation Company of South Korea, is running at Beijing’s Cultural Palace of Nationalities. Adapted from a popular South Korean cartoon book by Korean writer Cho Soo Min , the play tells the story of the boy named Siqing, who sets out in search of adventure with his friend Weiwei, a dinosaur, and a panda to rescue his kidnapped grandfather. In director Hang Cheng’s eyes, it is a story of hope, dreams and courage.   He says it is a Chinese interpretation o下列有关生物学实验及研究的叙述正确的有①在观察细胞的DNA和RNA分布时，盐酸处理可以改变细胞膜的选择透过性②经健那绿染液处理，可以使活细胞中的线粒体呈蓝绿色③用溴麝香草酚蓝水溶液能确定酵母菌细胞呼吸的类型④探究酵母菌的种群数量变化时，需将培养瓶摇匀，并用吸管直接向计数室中滴加培养液⑤沃泰默向切除部分神经的小肠中注射稀盐酸，发现狗仍能分泌胰液，从而提出了化学调节的存在A．一项 B. 两项 C. 三项 D. 四项