七選五
(一)說明文
(2015·課標全國Ⅱ) Training for a marathon requires careful preparation and steady，gradual increases in the length of the runs.__1__，buy the best-fitting，best-built running shoes you can find.No one can say which brand will work best for you or feel best on your feet，so you have to rely on your experience and on the feel of each pair as you shop.When you have found shoes that seem right，walk in them for a few days to double-check the fit.__2__.As always，you should stretch(伸展) at least ten minutes before each run to prevent injuries.
During the first week，do not think about distance，but run five minutes longer each day.__3__，it is wise to take a day off to rest.But during the next week，set a goal of at least a mile and a half per run.__4__.After two weeks，start timing yourself.__5__.Depending on the kind of race you plan to enter，you can set up a timetable for the remaining weeks before the race.
A．After six days
B．For a good marathon runner
C．Before you begin your training
D．With each day，increase the distance by a half mile
E．If they still feel good，you can begin running in them
F．Time spent for preparation raises the quality of training
G．Now you are ready to figure out a goal of improving distance and time 答案：
文章大意：本文介紹了跑馬拉松前要做的準備工作和訓練內容，包括鞋子的選擇以及如何循序漸進地增加訓練時間和運動量。
1．C 文章第一句概括介紹了跑馬拉松前要做的準備工作和訓練內容，空格后面一句是說買跑鞋的問題，所以C項Before you begin your training放在此處可起到承上啟下的作用。
2．E 上一句說如果跑鞋看起來挺合適，多穿幾天再次核實鞋是否合腳。E項If they still feel good，you can begin running in them(如果這雙鞋子穿起來仍然感覺不錯，那么你就可以穿著跑步了。)是上一句的延伸，故選E項。
3．A 根據本段第一句During the first week...和第三句But during the next