皮皮学，免费搜题
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【单选题】
听力原文：W: Good morning, Mr. Smith. I hope I'm not disturbing your work. M: Not at all, Mary. Come in and take a seat. I'm always in my office before lunch. W:I want to tell you that I have already started writing my paper and I'd like to discuss my topic with you. M: Of course. What would you like to work on? Why does the woman come to the man's office?A.
She wants to invite him to lunch.
B.
She wants to talk to him about her paper.
C.
She wants to talk to him about his work.
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】洗涤剂可以直接刷洗的仪器有 、 、 等形状简单的仪器。
【简答题】为什么新拌制的混凝土受机械振动后会变得密实?
【单选题】如将两只额定值为 220V/100W 的白炽灯串联接在 220V 的电源上,每只灯消耗的功率为( )W。设灯电阻不变。
A.
100
B.
50
C.
25
D.
200