16 . ( I ) High school graduates are sometimes nervous about attending college , because they fear that everything will be different . ( II ) In fact , there are some important similarities between college and high school . ( Ill ) Colleges demand more efficient work whereas high schools are much easier . ( IV ) In both places , academic success depends on being a responsible student . ( V ) This means attending classes regularly , doing your homework , and studying new materials carefully .
A ) I B ) II C ) III D ) IV E ) V
20 . ( I ) The problem of air pollution has turned up on every continent on Earth - even Antarctica . ( II ) Winter Quarters Bay , on Antarctica , is the site of an important scientific station . ( Ill ) This bay , in fact , is as polluted as many city harbors . ( IV ) The reason is that for long time people at the station dumped garbage into the sea . ( V ) Now , however , that has stopped because an international agreement has limited the dumping of garbage in Antarctica .
A ) I B ) II C ) III D ) IV E ) V
17 . ( I ) Can you think of anything that Ukraine and Japan have in common ? Not much , except for one surprising aspect of their cooking . ( II ) Ukrainians are fond of a dish called pilmeni . ( Ill ) It ' s made of pieces of flat pastry folded around a spicey meat filling . ( IV ) The Japanese make a dish that is remarkably like it , only they call it gyoza . ( V ) In both countries , furthermore , people prefer living in flats to living in houses .
A ) I B ) II C ) III D ) IV E ) V
18 . ( I ) After several decades , jogging is still a very popular activity in the United States . ( II ) Many people-like-to go jogging early in the morning before work or after work in the evening . ( Ill ) But running in the streets instead of parks may increase the risk of accidents . ( IV ) However , in the winter months especially , it may be dark during those hours . ( V ) To help these joggers a sports shoe manufacturer has invented a new kind of jogging shoes which have little red lights on the back of the heels .
A ) I B ) II C ) III D ) IV E ) V
19 . ( I ) Have you ever noticed how much of the potato is wasted when you peel it ? ( II ) Now , new technology may bring an end to that loss . ( Ill ) When you ' re peeling just a few potatoes for your dinner , this does not matter , of course . ( IV ) But just imagine what happens when potatoes are peeled in factories . ( V ) Industrial potato peelers , in fact , waste an average of 15 % of the potato .
Answer Key :
1 . E 2 . D 3 . E 4 . B 5 . C 6 . E 7 . D 8 . B 9 . D 10 . E 11 . E 12 . B 13 . B 14 . D 15 . C 16 . C 17 . E 18 . C 19 . B 20 . A
A ) I B ) II C ) III D ) IV E ) V