【单选题】It’s wise _______ you _______ your child at home alone while it’s also very important _______ him to learn to protect himself.
【单选题】微生物生长情况可以通过测定单位时间里微生物数量或( )的变化来评价。
【单选题】—It's said that Tom is a wise manager in your company. —Oh, no, he is ________ but a wise leader.
【单选题】关于不当署名的情况,以下哪一项与之无关:
A.
未对论文作出实质性贡献者署名,对论文有实质性贡献者被拒绝署名。
【判断题】十九大报告强调,我们坚决维护国家主权和领土完整,绝不容忍国家分裂的历史悲剧重演。一切分裂祖国的活动都必将遭到全体中国人坚决反对。
【判断题】采取湿式作业、密闭、 通风、 除尘系统是控制粉尘危害的有效措施。()
【单选题】It’s very wise of you to ________ well trained workers _____ untrained ones in the assembly line.