※點(diǎn)擊查看2016年12月英語(yǔ)四級(jí)真題及答案專(zhuān)題
    36. [I] It is possible for burglars to make jamming attacks with the necessary equipment and skill.
    37. [D] Interfering with a wireless security system is similar to interfering with a conversation.
    38. [J] A burglar has to continuously jam the wireless security device to avoid triggering the alarm, both inside and outside the house.
    39. [F] SimpliSafe provides devices that are able to distinguish incidental radio interference from targeted jamming attacks.
    40. [B] Only a very small proportion of burglaries are committed by technical means.
    41. [H] It is difficult to crack SimpliSafe as its system keeps changing.
    42. [C] Wireless devices will transmit signals so as to activate the alarm once something wrong is detected.
    43. [K] Different measures should be taken to protect one's home from burglary in addition to the wireless security system.
    44. [G] SimpliSafe's device can send a warning to the house owner's cellphone.
    45. [E] Burglars can easily get a security device's frequency by Internet search.
    ※2016年12月英語(yǔ)四級(jí)成績(jī)查詢(xún)時(shí)間：
    根據(jù)歷年英語(yǔ)四級(jí)成績(jī)查詢(xún)時(shí)間，預(yù)測(cè)2016年12月英語(yǔ)四級(jí)成績(jī)查詢(xún)于2017年2月中下旬開(kāi)始，請(qǐng)廣大考生密切關(guān)注英語(yǔ)四級(jí)成績(jī)查詢(xún)欄目。【ctrl+D收藏】
    

CET4報(bào)名：CET4報(bào)名時(shí)間 CET4考試：CET4考試時(shí)間 CET4作文：CET4作文范文

成績(jī)查詢(xún)：CET4成績(jī)查詢(xún) CET4真題：CET4考試真題 CET4答案：CET4考試答案

點(diǎn)擊免費(fèi)試聽(tīng)>>>>	點(diǎn)擊免費(fèi)試聽(tīng)>>>>