__________ of students are in the room and nine ________ of them are girls.
A：Hundreds, hundreds
B：Hundred, hundred
C：Hundreds, hundred
D：Hundred, hundreds
Look, read and choose. 选择画线词语的对应词，将序号写在括号里。
A. father
B. brother
C. grandma
D. man
E. student
⒈This is not a teacher. She's a ____.
⒉This is not a woman. He's a ____.
⒊This is not my grandpa. She's my ____.
⒋This is not my sister. He's my ____.
⒌This is not my mother. He's my ____.
图为“俄罗斯工业分布图”，读图回答下列问题：
西部工业部门中，发展航天工业的是（ ）
美国学者米勒探索生命起源的模拟实验表明，在原始地球上可以产生（ ）
