As is known to all？
As is known to all,Senior 3students are suffering from heavy pressure of study.改错
She holds the view which senior students have to devote all their time to working hard at their lessons. which改成that 同位语从句，that引导。
_____ that he's from America. C It is known 固定搭配
翻译：众所周知，高中学生正在遭受沉重的压力研究
答：C中的AS用的不正确，其实可以把中间的for_life hard in the past 抽出来，那么可以看出前面与后面连起来就是一个完整的句子，所用的句式不过...详情>>
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答：构建和发展了“以活性单体化合物为探针发现药物靶标”的新药研究技术体系，通过整合抗毒力因子活性分析和活体成像等多种技术建立了抗菌活性单体化合物多水平体内外筛选模型...详情>>
答：Education Bookstore 希望能帮到你。详情>>
