【正文】 The price varies according to the reason. 價(jià)格隨季節(jié)的變化。 5. Eric set sail once again, this time with 25 ships, of which only 14 made it to Greenland. 埃里克又一次起航，這次一共有 25條船，只有其中 14艘到達(dá)了格陵蘭島。 According to the text it was the vikings that discovered America 根據(jù)這篇課文的敘述是北歐的海盜發(fā)現(xiàn)了美洲。 of which only 14 = only 14 of which ? 6. Leif followed Biarni’s directions and sailed to what is believed to be the coast of presentday Canada. ? 賴伊夫按照比阿尼提供的線索航行到了現(xiàn)在被認(rèn)為是加拿大海岸的地方。后面接短語，不能接句子。 ? what 做主語 ，此處不能用 where. Exercise 1. After five hours’ drive, they reached ___ they thought was the place they’d been dreaming of. B. where C. which D. what 2. The journey around the world took the old sailor nine months, ___ the sailing time was 226 days. A. of which B. during which C. from which D. for which D3. The factory produces half a million pairs of shoes every year, 80% ____ are sold abroad. A