1 . Contrary to common belief , vegetarian ants do not consume plants directly by biting pieces out of them . Instead , they _____.
A prefer to consume flesh B have only a minor effect on ecology C outnumber the other insects living in the same area D drink nectar and similar sugar-rich plant secretions E they are fond of animal meat
2 . The Grand Canyon in Arizona which is famous for its depth is so deep ______ .
A that the top and the bottom have very different weather and vegetation B because many people find it difficult to catch fish in such shallow water C since it lies about 3000 metres above sea level D the upper broad part is about 7 million years old E if it rains in both winter and summer
3 . Any intrusion by man on the territories of animals can have disastrous effects . In recent years , for example , _____ .
A animals had turned completely defensive against attacks by man B roads have been built near or through areas which are home to many animals C the overall tiger population has dramatically declined due to the loss of habitat D people have made no attempt to save the endangered species of animals E the number of wild animals increased largely in the jungle
4 . _____ , two strong-willed Siiltans , Selim III and Mahmud If , set about acquiring the scientific knowledge needed to re-build military superiority .
A Since they are really against wars armies in the world B The reason why the First World War was initiated was C Although the intellectuals who were sent to Europe ' marvelled at whdt they found D Aimed to shorten the resources : of their army E After the military defeats that came quickly at the : beginning of tbe nineteenth century
5 . Should the governments of both countries fail to start negoitations soon ,_____ ,.
A both sides are hopeful that a possible war can be ravoided B most of the authorities have long feared a rebel C mariy people tıave considered the possibility ofra ' dvil war D nevertheless the peace keeping treaties are pessimistic E a war is high | y like | y to be the result
6 . _____ ., the occasion will be held in the ballroomlinstead . A Although everyone had ; brought their umbrellas with them