【判断题】幼儿园管理和文化密不可分,两者相依相存,彼此影响。()
【简答题】The Bodleian (博得雷利) Library is the main research library of the University of Oxford (牛津) . It is one of the six national copyright libraries and, as the founder of the library intended, it is a resou...
【简答题】It is six o’clock in the morning. You are asleep in my left arm and I am learning the art of one-handed typing. Your mother, more tired yet more happy than I’ve ever known her, is sound asleep in the ...
【单选题】The shopkeeper told Lily that___________.
【多选题】变造、私自印制开户登记证得存款人处罚的有( )
A.
经营性的存款人处以1万元以上3万元以下的罚款
【多选题】如图是硫酸试剂标签上的部分内容.下列说法正确的是( ) 硫酸 化学纯(CP) (500mL) 品名:硫酸 化学式:H 2 SO 4 相对分子质量:98 密度:1.84g/cm 3 质量分数:98%
C.
配制200mL4.6mol/L的稀硫酸需取该硫酸50mL
D.
该硫酸与等体积的水混合所得溶液的物质的量浓度等于9.2mol/L
【单选题】化学家们合成了如图所示的一系列的星烷,如三星烷、四星烷、五星烷等.下列说法正确的是( )
C.
三星烷与丙苯互为同分异构体,四星烷与 互为同分异构体
D.
星烷的一氯代物均只有2种,而三星烷的二氯代物有4种
【判断题】Chinese is commonly used in modern China. It is one of the six working language designated by the United Nations.