第3题: [单项选择]What does the speaker suggest that the students should do during the term A. Consult with her frequently, B. Use the computer regularly. C. Occupy the computer early. D. Wait for one’s turn patiently. 参考答案:B 答案解析:[听力原文] Right, everybody. Welcome to Central College library services. My name’s Kathy Jenkins
第8题: [单项选择]What does the woman mean A. She’ll change it for him. B. She can’t change it for him. C. She’d like to see what is wrong with it. 参考答案:C 答案解析:[听力原文] M: Can I have the earphone changed It’s not working. W: Let me check it.
第9题: [单项选择]导热系数λ的单位是() A. (m·;K)/W B. (m2·;K)/W C. W/(m2·;K) D. W/(m·;K) 参考答案:D
第35题: [单项选择]下列实例中,不属于“生态系统具有自我调节能力的典型实例”的是() A. 矿质元素被绿色植物吸收,其枯枝落叶腐烂后又还给土壤 B. 轻度被污染的水体经过生物的吸收分解、物理的沉降、化学的分解而得到净化 C. 由于大火而烧毁的森林通过繁殖作用得到恢复更新 D. 过度开垦草原、毁林造田使气候失调,土地沙漠化 参考答案:D