问题
单项选择题
泌尿生殖嵴在胚胎的第几周出现()
A.12周末
B.3～4周
C.4～6周末
D.4～5周
E.8周
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
泌尿生殖嵴在胚胎的第几周出现()
A.12周末
B.3～4周
C.4～6周末
D.4～5周
E.8周
参考答案：D
It was such an __________ performance that it ___________ all the audience.
A． astonished, astonishing B． astonished, astonished C． astonishing, astonishing D． astonishing, astonished |