皮皮学，免费搜题
登录
搜题
【单选题】
在下滑道的上面,90Hz和150Hz调制信号的幅度为A.
90Hz幅度等于150Hz幅度
B.
90Hz和150Hz幅度为零
C.
90Hz幅度大于150Hz幅度
D.
90Hz幅度小于150Hz幅度
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】阅读理解。 Hey there, So you're about to spend four years of your life and tens of dollars of your parents'money and all you really know about college is that all of your friends are going. Do you ever sto...
【单选题】A:That may be true. But it would be good for you to relax a little, too. Aren't you working too hard?
A.
Great, thanks.
B.
What time are you going?
C.
I'm going to finish the PowerPoint for tomorrow's presentation.
D.
Well, yes. But I think I can make it better.
E.
Thanks for the invitation. I'll work on the presentation until eight and then join you for dinner.
F.
It's kind of you to ask but I don't think so. I love my job!
【单选题】It's hard to relax _____ when you have a busy work life.
A.
you
B.
your
C.
yours
D.
yourself
【单选题】听力原文：W: It's so hot today. I was going to wash the car and water the plants, but now I am not sure I should. M: I agree. You should relax in heat like this. Too much hard work could cause you to feel ...
A.
Water the plants.
B.
Wash the car.
C.
Do nothing.
【多选题】企业原材料按计划成本核算,期末编制资产负债表时,应将 “材料采购”、“原材料”科目的借方余额合计再( )后的数 额作为存货项目的组成内容。
A.
加上“材料成本差异”科目借方余额
B.
加上“材料成本差异”科目贷方余额
C.
减去“材料成本差异”科目借方余额
D.
减去“材料成本差异”科目贷方余额
E.
不考虑“材料成本差异”科目余额
【简答题】Hey there, So you're about to spend four years of your life and tens of thousands of dollars of your parents' money, and all you really know about college is that all of your friends are going. Do you...
【单选题】听力原文：M: Have you made any plans to go away during semester break? I've been thinking of skiing. W: I really haven't had time to think about my vacation, I've been concentrating on getting ready for my...
A.
His academic advisor.
B.
Another student.
C.
A ski instructor.
D.
The college dean.
【多选题】企业原材料按计划成本核算,期末编制资产负债表时,应将“材料采购”、“原材料”科目的借方余额合计再()后的数额作为存货项目的组成内容。
A.
加上“材料成本差异”科目借方余额
B.
加上“材料成本差异”科目贷方余额
C.
减去“材料成本差异”科目借方余额
D.
减去“材料成本差异”科目贷方余额
相关题目：