酸奶不仅营养丰富,而且容易消化吸收,是一种优质的饮料.在酸奶的制作巾,起作用的微 发布时间:2017-05-14 01:22 │ 来源:www.tikuol.com 题型:选择题 问题: 酸奶不仅营养丰富,而且容易消化吸收,是一种优质的饮料.在酸奶的制作巾,起作用的微生物是( )A.酵母菌B.乳酸菌C.醋酸菌D.曲霉和毛霉
题型:选择题 完形填空。 Strange things happen to time when you travel, because the earth is divided into twenty - four parts, 1 a part. You can have days 2 more or fewer than twenty - four hours, and 3 with more or fewer than seven days. Your ship goes into 4 time part every day if you make a five - day journey across the Atlantic Ocean. As you go into each part, the time 5 one hour. Traveling west, you 6 your clock back; traveling east, you let it ahead. Each day of your jou rney has 7 twenty-five or twenty-three hours. If you travel by ship across the Pacific, you will 8 the International Date Line. This is the point where a new day _ 9 . When you go across the line, you change your calendar one 10 day, back or ahead.( ) 1. A. four hours ( ) 2. A. between ( ) 3. A. years ( ) 4. A. a different ( ) 5. A. turns ( ) 6. A. take ( ) 7. A. neither ( ) 8. A. cross ( ) 9. A. lasts ( ) 10. A. all B. two hoursB. with B. months B. the same B. changes B. give B. not B. get B. begins B. more C. half an hourC. for C. seasons C. an interesting C. has C. put C. either C. catch C. follows C. full D. one hour D. at D. weeks D. a moving D. makes D. set D. never D. touch D. breaks D. less 查看答案