第6题: [多项选择]Which three security concerns can be addressed by a tunnel mode IPSec VPN secured by AH?()(Choose three.) A. data integrity B. data confidentiality C. data authentication D. outer IP header confidentiality E. outer IP header authentication 参考答案:A,C,E
第12题: [填空题]I was (agree)()surprised and pleased. 参考答案:agreeably 答案解析:
词性转换(动词变副词)。我又惊又喜。▲根据句子结构,这里需要一个副词。agreeably,副词,意为“喜悦地,愉快地”,在这里修饰形容词pleased和surprised
第21题: [单项选择]To help keep prices from going higher, people and groups in California ______. A. imposed reasonable price caps B. beat down the door of federal regulators C. urged the federal authorities to take action D. struggled against federal policy to hike prices 参考答案:C 答案解析:[解析] 题干的意思是:“为了有助于抑制价格的进一步上涨,加州的个人和团体干了些什么”,从全文特别是第一段可以判断,他们敦促联邦当局采取措施,故选C。