The passage below has gaps numbered 11 to 20 . immediately following each gap four options are provided choose the most appropriate option for each gap Whatever may be its wider implications explosion of hydrogen bomb is for the meteorologist, simply another atmospheric disturbance, it should therefore be classified as with certain rare natural ….11….< A occurences B resources C laws D programmes > such as volcanic ….12..< A exhaustion B eruption C expulsion D instruction > But there are certain features of a man –made disturbance requires special examination as will all events on his …..13…. < A skate B snow C safe D scanner > it is impossible to describe what happens in details, however we can be reasonably sure of the main effects and the most impressive of these arises from ….14… < A pressure volume B pressure air C pressure guage D pressure waves > the immediate results of the …..15 …< A commotion B detonation C distortion D reduction >is that the air surrounding the bomb is raised very rapidly to an enormously high ….16…< A temperature B class C profile D way > the hot gases expand violently as great ….17 ….. < A fireball B fireworks C firemakes D firearm > compressing the air around them into what is called ….18….. < A stocktherapy B shockwaves C shocktroops D hockjocks > or blast wave that is responsible for much of terrible destructive power of the weapon .Another kind of wave arises because of the weight of the air, the force of the explosion lifts the …..19… < A atmosphere B space C height D form > around the bomb. The gravity wave can also resemble ordinary ….20….. < A lake B ocean C river D stream > waves . waves of this type are normally felt by human beings and they have their effects on the weather .Adapted from Ayoola K (2007) university English for all students, Lagos Nigeria : Olive free venture
