单选题:I’ve been writing this report____for the last weeks, but in 题目分类:英语 题目类型:单选题 查看权限:VIP 题目内容: I’ve been writing this report____for the last weeks, but in has to be handed in tomorrow. A.finally B.immediately C.occasionally D.certainly 参考答案: 答案解析:
关于人体细胞结构和功能的叙述,正确的是 ( ) 关于人体细胞结构和功能的叙述,正确的是 ( )A.在细胞核内RNA能够传递和表达遗传信息 B.核糖体是蛋白质合成和加工的主要场所 C.线粒体内膜蛋白质和脂质的 分类:英语 题型:单选题 查看答案
A.everythingB.somethingC.anythingD.nothing A.everythingB.somethingC.anythingD.nothing 分类:英语 题型:单选题 查看答案
—Whatamistake! —Yes.Ihisdoingitanotherway,butwithoutsuccess. —Whatamistake! —Yes.Ihisdoingitanotherway,butwithoutsuccess.A.wassuggesting B.wi 分类:英语 题型:单选题 查看答案