第14题: [单项选择]与路堤稳定性无关的因素有()。 A. 空隙充填 B. 压实程度 C. 地表水与地下水 D. 地形条件 参考答案:D
第15题: [单项选择]Questions 22 to 25 are based on the conversation you have just heard. A. Write their lab reports. B. Finish their chemistry experiments. C. Find out Professor Smith’s schedule. D. Interview some high school students. 参考答案:B 答案解析:[听力原文] What will the speakers probably do next
第21题: [多项选择]Observe the following options194;carefully, which two attacks focus on RSA? () A. BPA attack B. Adaptive chosen ciphertext attack C. DDoS attack D. Man-in-the-middle attack 参考答案:A,B