下列曲线图中，某商品的需求曲线（D）和供给曲线（S）相交于E点。若生产该商品的劳动生产率普遍提高，在其他条件不变的情况下，会引起E点向E′点方向移动。正确反映这一变化的曲线图是（ ）
相关试题
My grandparents like to live in a house _______ is not very big but bright and comfortable.
| A．that | B．who | C．what | D．whose |
—What a big storm last night!
—Yes. I was doing my homework. Suddenly, all the lights in my house _______.
| A．went off | B．turned off | C．took off | D．got off |
Oxford University is ________ with tourists for its beautiful
old buildings.
| A．different | B．famous | C．special |
D．popular |
Trees ________ every year to make our city greener.
| A．plant | B．are planted | C．were planted | D．will be planted |
粤公网安备 44130202000953号