Nowdays more and more people are using mobile phones. This has raised the problem of exposure to electromagnetic emissions. You can be exposed to electromagnetic emissions (A)_  a mobile phone regularly.They may cause headaches, memory loss... etc.. It has been suggested that using the gands free epuiqment (B)_ safer because it allows you to talk into an earpiece.         (A)                       (B) 1. when used          be 2. whin used           should be 3. If you use            be 4. If you use            is 5. If you will use      should be A.B 출제 point 는 뭔가요..? 그리고 1234 다해석상으로는 맞는것 같은데 .. 정답이유를좀 가르켜주세요 .. One of the ((A)least understanding) areas is the West Antarctic ice sheet and its potential for breaking up into giant iceberges. In one scenario, if global warming results in even a small rise in the sea level, warmer water could flow under the West Antartic ice sheet and break off ((B)ice chunks the size of New England.) These ice chunks, ((C)could raise) the sea level an estimated 18 feet worldwide,((D)flooding coastal cities) like Portland, Maine and Boston, Massachusetts. Most scientists now think this scenario is unlikely to occur, and if ((E)it were) it would take centuries to happen. 1. (A)(D) 2. (A)(E) 3. (B)(C) 4. (B)(D) 5. (C)(E) 이문제 잘모르겠습니다 .. 틀린것 찾는건데..  부탁드립니다.