A. ICT:A New Weapon for Terrorism B. Netwar: An Unfamiliar Form of Warfare C. Internet: A Vulnerable Target of Extremists D. "New Terrorism": A Real Threat to the World 参考答案:B
第21题: [填空题]Rent and expense in private accommodation arrangements with friends and acquaintances are shared equally. 参考答案:Y 答案解析:第三段第二句话指出“Rent and expenses such as bond,electricity,gas,and telephone are shared equally among the
第30题: [单项选择]在人类听觉范围内,耳内肌对大部分频率都可引起反应,但最有效频率是() A. 4000Hz以上 B. 3000~4000Hz C. 2000~3000Hz D. 1000~2000Hz E. 250~1000Hz 参考答案:C 答案解析:在人类听觉范围内,耳内肌对大部分频率都可引起反应,但最有效频率为2000~3000Hz。引起发射的声音强度随频率而改变。
第32题:[单项选择]<br><br><br/>A.putover<br/>B.takeover<br/>C.seeover<br/>D.carryover<br/>参考答案:A 答案解析:此题属于词语搭配题。Put over=put across意为“解释说明”,此处需一个短语动词与messages连用,故选项A) put over正确。选项B) take over意为“接管”;选项C