问题
选择题
The primary purpose is to _____ those achievements in biological research _____ the public.
A．make; known by
B．make; known to
C．make; know to
D．make; knowing by
答案
答案：B
这题考察词组“make sb done，过去分词这里做宾语补足语，因为those achievements in biological research是被公众知晓，所以用known，be known to sb “为某人知道”，选B。