在纵轴为投资边际效率MEI，横轴为投资I的坐标系中MEI是一条向什么方向倾斜的曲线？（）A、左下方B、左上方C、右下方D、右上方
在纵轴为投资边际效率MEI，横轴为投资I的坐标系中MEI是一条向什么方向倾斜的曲线？（）
- A、左下方
- B、左上方
- C、右下方
- D、右上方
相关考题：
LIU HUI：Hi, Mei.(1)Are you settling in well here in this cityBAI MEI：Well, thank you very much for asking. Everything is going OK.LIU HUI:(2)Did they all join you living here BAI MEI：Oh no. My parents have their own lives because my father has a grocery store. So he must take care of his business and my mother stays with him.LIU HUI：Oh, I got it.(3)Are they in their school yearsBAI MEI：Yes, they all attend the international schools here, but I still teach them Chinese at home.LIU HUI:(4)What kind of food do you usually have with your familyBAI MEI：Everyone in the family loves Chinese food. But we have western food on some special occasions, you know, I have an American hubby.LIU HUI：Right.(5)BAI MEI：Pleasure.A. Thank you for sharing this with me.B. That's very interesting.C. How is everythingD. How about your childrenE. How is your family _Bai Mei： tells Liu Hui about her family_. …
Liu Hui and Bai Mei are discussing who will be a safer driver after a party.BAI MEI： Are you ready to take a___1__ in my new sports carLIU HUI： Yes, but you have been___2__ beer, so you'd better let me drive.BAI MEI： OK, I guess I will trust you. You seem to know what you are talking about. You sure do know the law.LIU HUI： Get in the car. Don't forget to put on your seat belt.BAI MEI： Do I have to It is a hassle.LIU HUI： Seat belts save __3___, and it is the law. There can be no exceptions. It is better to be safe than sorry.BAI MEI： I agree. When you are around, I just feel ___4__. You are a real gentleman.LIU HUI： I am glad to hear that. Now, my beautiful passenger, where shall I drive you To a romantic forest A beautiful mountain Or just to my house for wine and dancingBAI MEI： I just need you to drive me__5___ to my house. Thanks!LIU HUI： Sometimes it is hard to be a gentleman.
Hello, may I speak to Liu Mei?（）A、I'm Liu MeiB、Liu Mei is meC、My name is Liu MeiD、This is Liu Mei speaking
在完全竞争市场上（）。A、若以横轴为需求量，纵轴为价格，个别企业的需求曲线是一条平行于横轴的水平线B、若以横轴为需求量，纵轴为价格，个别企业的需求曲线是向右下方倾斜的曲线C、平均收益和边际收益都等于单位产品价格D、企业的平均收益、边际收益和需求曲线都是同一条线E、边际收益小于平均收益
多选题在完全竞争市场上（）。A若以横轴为需求量，纵轴为价格，个别企业的需求曲线是一条平行于横轴的水平线B若以横轴为需求量，纵轴为价格，个别企业的需求曲线是向右下方倾斜的曲线C平均收益和边际收益都等于单位产品价格D企业的平均收益、边际收益和需求曲线都是同一条线E边际收益小于平均收益
单选题Hello, may I speak to Liu Mei?（）AI'm Liu MeiBLiu Mei is meCMy name is Liu MeiDThis is Liu Mei speaking
单选题女(nǚ)：你(nǐ)和(hé)你(nǐ)妹(mèi)妹(mei)谁(shuí)高(gāo)？男(nán)：我(wǒ)妹(mèi)妹(mei)比(bǐ)我(wǒ)高(gāo)。ABCDE
单选题男(nán)：小(xiǎo)美(měi)，那(nà)是(shì)你(nǐ)姐(jiě)姐(jie)吗(mɑ)？女(nǚ)：不(bù)，那(nà)是(shì)小(xiǎo)红(hóng)，我(wǒ)妹(mèi)妹(mei)。问(wèn)：那(nà)是(shì)谁(shuí)？A小(xiǎo)美(měi)的(de)姐(jiě)姐(jie)B小(xiǎo)美(měi)的(de)妹(mèi)妹(mei)C小(xiǎo)红(hóng)的(de)妹(mèi)妹(mei)
单选题男(nán)：看(kàn)，这(zhè)是(shì)我(wǒ)爸(bà)爸(bɑ)，这(zhè)是(shì)我(wǒ)妹(mèi)妹(mei)。女(nǚ)：你(nǐ)妹(mèi)妹(mei)真(zhēn)漂(piào)亮(liɑng)。ABCDE
单选题女(nǚ)：哪(nǎ)个(ge)是(shì)你(nǐ)妹(mèi)妹(mei)？男(nán)：那(nà)边(biɑn)，那(nà)个(ge)在(zài)喝(hē)水(shuǐ)的(de)就(jiù)是(shì)我(wǒ)妹(mèi)妹(mei)。ABCDEF