皮皮学，免费搜题
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搜题
【单选题】
钢铁化学氧化时,其表面主要的化学成分是()?A.
Fe 3 O 4
B.
FeO
C.
Fe 2 O 3
D.
Fe
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】（1）第11颗珠子是______颜色． （2）第38颗珠子是______颜色．
【单选题】— _____________ is the time? — _____________ is about seven twenty-five. [ ]
A.
Which, It
B.
What, This
C.
What, It
D.
Where, It
【单选题】25 的正确表达方法。
A.
twenty-five to 8
B.
twenty-five past 8
C.
twenty-five to 9
D.
twenty-five past 9
【单选题】Christmas Day is on ________of December. A. twenty-five B. the twenty-five C. the twenty-fifth
A.
twenty-five
B.
the twenty-five
C.
the twenty-fifth
【单选题】The man has ____ basketballs. [ ]
A.
fifty-twenty
B.
twenty-fifth
C.
twenty-five
D.
five-twenty
【单选题】Lucy has_________ volleyballs．
A.
twenty -five
B.
twenty five
C.
twenty fifth
D.
five-twenty
相关题目：
【单选题】25 的正确表达方法。
A.
twenty-five to 8
B.
twenty-five past 8
C.
twenty-five to 9
D.
twenty-five past 9