直播课程
陈岩
适合往年裸考或有基础第一次参加考试,需要全面、细致的梳理知识点
李兴阔
免费试听,考试不过重修2次,适合零基础、不知如何选择专业、学校
傅申
免费领取成人高考-各科目备考指导
陈岩
上班族也能考取专/本科学历,证书学信网可查
听课
课程与PC端同步更新,充分利用零碎时间。做题
海量精选试题,想练就练,瞬间提分。答疑
海量精选试题,想练就练,瞬间提分。直播
名师大咖面对面,有问有大收获多。The young engineer sat down on a rock and rested his head in his hands. He would never get home; it was 1 . For weeks he had been 2 in the Northwest Canadian forest. Now there was a terrible 3 behind his eyes, and worse of ail, he had gone 4 .
Suddenly a man 5 out of the woods, an Indian who had been hunting in the area. Seeing the engineer's 6 , he caught a fish in a nearby 7 and fed the sick man the 8 of the fish and some flesh from its head. 9 within a few hours the engineer's pain was 10 . A day later he could 11 again, and the next day he had 12 recovered.
When he returned home, the engineer told the 13 to Dr Price. Not until years later did it become a(n) 14 fact that this was just an everyday 15 doing its work. For what the engineer did, by eating fish eyes, was to 16 his vitamin (维生素)。
Vitamin A's biggest job is to keep the eyes 17 . Without A, people and animals get night blindness and other eye problems. Without A, people can even be totally blind.