问题
选择题
小强是班里出了名的“粗心大王”，以下是从他的
课堂笔记中摘录下来的部分物质的化学式，其中错误的是[ ]
A．铝 Al
B．氯化钾 KCL
C．氧化铜 CuO
D．五氧化二磷P2O5
答案
答案：B
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小强是班里出了名的“粗心大王”，以下是从他的课堂笔记中摘录下来的部分物质的化学式，其中错误的是[ ]
A．铝 Al
B．氯化钾 KCL
C．氧化铜 CuO
D．五氧化二磷P2O5
答案：B
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| ① name is Lily. I'm eleven. I'm ② America. My mum and dad are workers in a big factory. They ③ to work every day. I ④ a sister. We ⑤ like each other. She is a middle school student and comes home in the afternoon. Everyone in my family likes and looks ⑥ me. My sister and I are in ⑦ school. I'm a new student in my class. There ⑧ forty-two students in ⑨ class, twenty boys and twenty-two girls. We have our lessons from eight o'clock in the morning ⑩ four o'clock in the afternoon.
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