Find the irrelevant sentences in the following paragraphs . -5
1 . ( I ) Modern theory envisages that the Sun and Solar System evolved from a primitive nebula . ( II ) About 5 billion years ago , for reasons unknown , this nebula began to contract . ( III ) In the outer regions temperatures remained even lower . ( IV ) The rotation then speeded up , causing the cloud to flatten into a disk . ( V ) In the densest part of this disk a proton-sun formed .
4 . ( I ) Financially , 1975 was a difficult year for the airline industry , with only meagre increases in traffic . ( II ) In the US , the situation was particularly bad . ( III ) There the airlines put most of the blame on the continuing rise in fuel prices . ( IV ) The economic recession combined with inflation lowered demand for railways . ( V ) In Europe , however , air traffic continued to increase but at a slower rate than in recent years .
A ) I B ) II C ) III D ) IV E ) V
A ) I B ) II C ) III D ) IV E ) V
2 . ( I ) In modern world , political crime poses cruel political and moral problems . ( II ) These problems are particularly acute in more democratic societies . ( III ) At the other hand of the political spectrum , a totalitarian regime is virtually immune to terrorism . ( IV ) For here the security apparatus of the state makes it almost impossible for terrorist groups even to exist .( V ) Therefore , among the reasons of terrorism can be mentioned bad economy .
A ) I B ) II C ) III D ) IV E ) V
3 . ( I ) The coming convergence of biology and engineering will be led by information technologies , which in medicine means the digitization of medical records and the establishment of an intelligent network for sharing those records . ( II ) That essential reform will enable many other big technological changes to be introduced throughout the health-care sector . ( III ) Just as important , it can make personal medical information available to the patients too , enabling them to make decisions related to their own health . ( IV ) Technology in general is advancing so quickly that many people believe it will improve the quality of life significantly . ( V ) However , many doctors , and some patients , believe that patients lack the knowledge to make informed decisions about their own health .
A ) I B ) II C ) III D ) IV E ) V
5 . ( I ) Industrial robots are now in great demand . ( II ) The variety in shape and size of these particular ' task-specific ' robots is one reason why they are so expensive to produce . ( III ) At least 750 , 000 robots are currently engaged in global industry . ( IV ) As regards production , Japan is in the lead , producing twice as many industrial robots as the rest of the world combined . ( V ) It is followed by the EU , where Germany is the leader .
A ) I B ) II C ) III D ) IV E ) V
6 . ( I ) The speeds of Saturn ' s equatorial jet winds have dropped noticeably over the last two decades . ( II ) The slowdown is probably part of the long seasonal cycle on Saturn , which takes thirty years to orbit the Sun . ( III ) For the last five years , the research team has been comparing cloud features and storm systems on Saturn . ( IV ) It may also be due in part to extreme differences between the seasons . ( V ) This occurs because the rotational axis of the planet is highly tilted .
A ) I B ) II C ) III D ) IV E ) V
7 . ( I ) The California condor is a critically endangered bird . ( II ) It has , fortunately , been saved from extinction by a captive breeding programme . ( III ) Young condors are now being successfully reintroduced into the wild . ( IV ) This underlines the urgency with which protective action is needed . ( V ) The situation , however , still remains precarious , as there are presently no reproductive condors in the wild .
A ) I B ) II C ) III D ) IV E ) V