正常人的体细胞染色体数目为（ ）
A：23条
B：23对
C：32对
D：32条
用字母给下列句子排序。
A. One for you and one for me.
B. Yes, I like sweets very much.
C. Hi, Alice! Do you like sweets?
D. Thank you!
____ ____ ____ ____
下列植物中，能产生种子的是（ ）
Amy：Who's that ____ (bay boy)?
Chen Jie: He's ____ (me my) brother.
Amy: Is she ____ (you your) mother?
Chen Jie: Yes , ____ (She she ) is.
Amy: Is he ____ (you your) father?
Chen Jie: No, he isn't. ____ (he's He's ) my teacher!
