在“然吾乡诸医鲜克知之者”中，“克”之义为（）
A.能够
B.克服
C.克制
D.战胜
参考答案：A
Looking up, I saw some children ______ rags were looking at me silently as I ate. [ ]
A. by
B. in
C. with
D. on
读图，回答下题。
图中影响等盐度线向外海凸出的主要因素是（）
A.降水
B.暖流
C.寒流
D.径流
