【简答题】Sometimes, it is just to say “It must seem very to you” or “I wish I know the answer.”
【判断题】标定I2溶液时,既可以用Na2S2O3滴定I2溶液,也可以用I2滴定Na2S2O3溶液,且都采用淀粉指示剂。这两种情况下加入淀粉指示剂的时间是相同的
【单选题】I wish I the secret, but I don’t know.
【单选题】在网络中各计算机之间交流信息须统一的语言和规则,在就需要( )
【简答题】Some _________ (传统节日) provide nostalgic and patriotic atmosphere, which attract a large number of youngsters who are interested in Chinese culture.
【简答题】成衣是指服装制造厂商,根据一定____________和_____________成批量生产的衣服。从某种意义上讲,成衣的前身是时装,时装是通过成衣的形式构成某种流行的。