第5题: [单项选择]淋球菌()。 A. CO2气体环境 B. 厌氧环境 C. 碱性环境 D. 高渗增菌液增菌 E. 生长因子 参考答案:A
第6题: [单项选择]Physics is the present-day equivalent of ______ used to be called natural philosophy from which most of present-day science arose. A. that B. all C. which D. what 参考答案:D 答案解析:句中要求一个能够引导of 介词宾语从句的连接词,所以只有what 具有这个功能。