【单选题】查容克认为他人在场对熟练的工作会产生()对不熟练的工作会产生()
【单选题】Do you know where Ottawa is? Sorry, _____. [ ]
【单选题】— What is the population of America? — I don’t know. But I know it’s than that of China.
【单选题】It can be inferred from the passage that to the author man 's need to know is chiefly important in that it______
A.
allows the human race to progress technically
B.
encompasses both the physical and social sciences
C.
demonstrates human vulnerability
D.
defines man's essential humanity
【单选题】—______ is the population of Canada? —I don't know. But I know it's ______ than that of China. [ ]
【单选题】下面那种细胞产生和释放的白细胞致热源最多
【单选题】—Where's Kate? —Sorry, I ______. [ ]