生后肾间充质将产生()。
A.肾管
B.中肾小管
C.肾小囊
D.输尿管芽
参考答案:C
when the newspaper boy got to a blue door, _________, which frightened him away as fast as possible.
A.out a fierce dog rushed
B.out did a fierce dog rush
C.out rushed a fierce dog
D.rushed out a fierce dog
有关江苏省和浙江省的叙述,正确的是[ ]
A.江苏省的岛屿数量比浙江多
B.江苏省的国家级风景名胜区比浙江省多
C.两省的经济发达地区都位于沿海地区
D.两省的地势都较低平,河网密布,水乡风韵