【简答题】语法填空练习二 We often think of future. We often wonder 1.______ the world will be like in a hundred years’time. Think of space. Perhaps a permanent station on 2.________ moon will 3.________ (set) up. Perh...
【简答题】Choose the best phrase to complete the sentence. 1) die of die out die down A. Don't worry, the gossip will soon___________. B. Smallpox ( 天花 ) hascompletely _________ in th...
【单选题】原核生物mRNA在起始密码子AUG上游9-13个核苷酸处,有一段可与核糖体( )配对结合的SD序列。
【简答题】II. 选词填空 look forward to, in memory of, dress up, day and night, play a trick on, have fun with, as though, take place 1 . Her sister helped her to________for the party. 2. She set up an educationa...