【判断题】高度白酒的酒度在40%~65%(v/v)。
【单选题】下列关于维生素D缺乏性佝偻病的骨骼改变的描述中,不正确的是
【单选题】电路如图所示,已知 U ab =10 V , I ab =2A, 则 U ba = () V 。
【判断题】已经放入“回收站”的文件是不能被恢复的。( )
【单选题】当一种商品的价格发生变化时,会同时对消费者产生两种影响,哪种影响会引起消费者效用的变动?
【单选题】From the information in the passage, it can be concluded that the United States______.
A.
wanted to build a canal because it was considering starting a war
B.
felt that building a canal through Panama was worth the risk of ruining relations with Colombia
C.
believed that a canal through Nicaragua would be profitable
D.
had lost the Spanish-American War
【单选题】电路如图所示,已知 U ab =10 V , I ab =2A, 则 U ba = () V 。
【单选题】方剂药味加减变化中,不包括方中哪种药物的加减变化