【单选题】According to Paragraph l,the man who does more than is required__________ . 查看材料
A.
is ready to accept what the society offers him
B.
expects nothing in retum for his work
C.
feels that he iS under heavy debt
D.
thinks this makes his life easy
【单选题】下列食品中,哪类食品的吸着等温线呈S型?
【多选题】直接测量物理量的测量结果,其有效数字与下列哪些因素有关?
【多选题】直接测量物理量的测量结果,其有效数字与下列哪些因素有关?