一 heroes, tasty, subject, seniors, admired, article, geography science unimportant, practicing, languages, history,
　　二 visitors, useless, fewer less, twice, mixed, myself, driving, unpopular, pleasant, boring,
　　三DCAAB ACDAD BBAAD BACDB BBCAA
　　四 help, doesn’t rain, asking, chatting, is going to be doing, opening, put ran, to be, washing, will arrive, arrives will have talking

　　一 to meet, themselves, to close clean, inviting, buildings, beginning, more, interest, amazing, visiting
　　二to go on a trip to places of, to visit, whole front of, took by, to join in to,
　　三invitation, interesting, quickly, yourself, beauty,
　　四，ADBAC CDBAA
　　五 had fun, at the beginning, feel sick, felt exited, places of interest, in front of
　　六 called, keeping, to have, climbers, winner, snows, less doing, players, walking, alike
　　七 1 it is big and white. 2 we should protect them
　　3 they kill them for their beautiful white coat.
　　4they live in the snow and ice. 5 A