【单选题】The look on his face suggested that he that. [ ]
A.
puzzling ; hasn't expected
B.
puzzled ; hadn't expected
C.
puzzling ; doesn't expect
D.
puzzled ; didn't expect
【单选题】The _______ look on his face suggested he ______ that. [ ]
A.
astonished; hadn't expected
B.
astonishing; hadn't expected
C.
astonishing, hasn't expected
D.
astonished; wouldn't have expected
【判断题】If buyers expected the future price of a good to increase, it would tend to increase the current quantity exchanged.
【单选题】在不考虑液压泵的泄漏流量的情况下 , 在单位时间内所排出的液体体积 是( )
【简答题】Usually students are expected to read and think for themselves, but sometimes they are required to work together with their classmates.
【简答题】A.He tries on some other things that the others think best. B.He usually doesn't buy anything. C.He spends hours having a look round. D.He buys it so long as its color is right.
【简答题】液压泵的排量V是指在不考虑泄漏的情况下,泵轴每转( )所排出油液的体积。排量大小取决于液压泵的( )的大小(与转速无关)。排量的符号为V,单位为mL/r
【多选题】当代医患关系的本质特征是以下哪几点?
C.
医者用仁爱之心和医学科技救治患者,维护人的身心健康
E.
患者是医者最好的助手,是医者生存和发展的根本所在