第23题: [单项选择]What is one of the highlights for many visitors in the Clinton Presidential Library and Museum
A. A full-scale replica of the Oval Office. B. Two million photographs. C. 76 million pages of documents. 参考答案:A
第30题: [单项选择]肽链延长过程中转位酶活性存在于 A. EFTu B. EFTs C. EFG D. 核蛋白体大亚基 参考答案:C 答案解析:[考点] 蛋白质生物合成过程. [分析] 蛋白质生物合成过程包括翻译的起始、肽链延长及肽链合成终止。肽链延长过程也称核蛋白体循环。(广义的核蛋白体循环可指翻译全过程),每次核蛋白体循环又可分为
第34题: [单项选择]No sooner had they got the goods covered up______it started raining hard. [A] when [B] than [C] then [D] after 参考答案:B 答案解析:[解析] 本题考查连词固定搭配。no sooner...than...一…就…; hardly...when...一…就…;scarcely...when...一…就…。本句的意思是:他们刚把货物盖好