【单选题】But for the interruption of endless phone calls, he ________ the report.
【简答题】Just last year, I was 1 a workshop when someone knocked at the classroom door. A woman 2 the interruption and handed me an envelope. I stopped teaching and 3 it up. Inside were the“Verbs”shirt and a 4...
【单选题】____ the interruption, he was able to finish his exercises before the class was over.
【单选题】欲配制 0.1000 mol · L -1 的 Na 2 CO 3 标准溶液 500.0mL ,问应称取基准 Na 2 CO 3 (M W =105.99 g/mol) 多少克 ?
【简答题】Fill in the blanks with the words given below. Change the form where necessary. current outline accomplish target raw routine beneficial proceed ...
【简答题】Filling the blanks with words from the text(204-205): The narrator claimed that he was prepared to dislike Mr.Kelada for his name which doesn't sound 1 name;for his luggage with too many 2 and a large...
【简答题】欲配制0.1000mol.L -1 Na 2 CO 3 溶液150.0ml,应准确称取Na 2 CO 3 的质量为 克。
【单选题】_____ the interruption, he was able to finish exercise before the class was over.
【单选题】____ the interruption, he was able to finish his exercises before the class was over.
【简答题】欲配制 50.00ml 0.1000mol.L -1 的硼砂溶液,需取 Na 2 B 4 O 7 .10H 2 O 多少克?