我国围生期的规定是
A.妊娠28周至产后4周
B.妊娠20周至产后4周
C.妊娠20周至产后1周
D.妊娠28周至产后1周
E.从胚胎形成至产后1周
参考答案:D
根据句意及首字母提示写出单词。
1. Tom`s phone n _________ is 9659-2758.
2. Lucy has big eyes and a r ________ face.
3. Look! The p ________ T-shirt is very nice on you.
4. You can see d _____"p" in"apple".
5. Jack is my uncle`s son, he is my c _______.
15世纪时期,哪个著名的意大利画家画过一幅著名的葡萄剪枝壁画?