第1题: [单项选择]微型计算机中,ROM的中文含义是( )。 A. 随机存储器 B. 只读存储器 C. 高速缓冲存储器 D. 可编程只读存储器 参考答案:B 答案解析:[解析] ROM是只读内存(Read-Only Memory)的简称,即只读存储器,其所存数据,一般是装入整机前事先写好的,整机工作过程中只能读出,而不像随机存储器那样能快速地、方便地加以改写。
第6题: [单项选择]Questions 19 to 21 are based on the conversation you have just heard. A. To prove women’s diligence. B. To seek gender equality on campus. C. To improve transportation and accommodation. D. To put pressure on male students. 参考答案:B 答案解析:[听力原文]19-21 M: Why do you think that way W: While I admit there is very little discrimination
第32题: [单项选择]从母羊甲的体细胞中取出细胞核,注入到母羊乙去掉细胞核的卵细胞中,融合后的细胞经卵裂形成早期胚胎,再植入到母羊丙的子宫内,生出的小羊大多数性状() A. 难以预测 B. 像甲 C. 像乙 D. 像丙 参考答案:B 答案解析:小羊的遗传物质主要存在于细胞核中,细胞核是由母羊甲提供,故性状大多数像甲,选B
考点:本题考查细胞核功能,意在考查考生识记所列知识点,并能运用所学知识做出合理的判断或得出正确的结论的能力。
第34题: [单项选择]I think it is high time we ______ the fact that environmental pollution in this area is getting more serious than before. A. woke up to B. must wake up to C. wake up to D. are waking up to 参考答案:A 答案解析:固定用法it's high time that后面接虚拟语气,所以应用过去式。