【单选题】______ him do this job by himself?
【单选题】This book is a bit difficult. ________ read something easier?
【简答题】陆羽在茶经中有、湖州上、常州次、( )下。
【单选题】why this postulate named "Khazzoom–Brookes Postulate "?
A.
named after the math formula
B.
named after the place where the postulate was proposed
C.
named after the 2 economists who first proposed it
【简答题】What is the Hammond Postulate?