题目

刚收获还没有晒干的粮食堆放久了会发热，是因为（    ） A．空气不流通 B．种子含水量高 C．种子得不到氧气 D．种子呼吸作用产生的热量，来不及散发 答案：D阅读下面的短文，从方框所给的单词中选择合适的单词补全短文，毎空只填一词，每词只准用一次 Today is Sunday. Aunt Li and Aunt Wu don’t go to __1__.They’re __2____ the park. Look, Aunt' Li is tall and 3__ , but Aunt Wu is taller and 4 than her. Now Aunt Li is 5__sports. She’s 6 But Aunt Wu is 7 , because she can’t __8 sports today, her arm__9___ She is sitting under thetree. She __10_____ bored.