甲商品的价格每下降10个单位,需求增加15个单位;乙商品的价格每下降10个单位,需求增加5个单位。下列说法,正确的是 ①甲商品需求弹性大,更适合采取“降价促销”的方式 ②乙商品需求弹性大,更适合采取“降价促销”的方式 ③如果居民收入不断增长,则更适合扩大甲商品的生产 ④如果整体经济不景气,则乙商品的生产会先受到冲击
You can never imagine what great difficulty I have ________ your house.
About ________ of the students in Grade Nine this year were born in the ________.
When you try to __________a crying baby, you can make faces.
— Excuse me, could you tell me _______? —There is a supermarket over there. You can get some there.
—What kind of house would you like? —I’d like __________ with a garden in front of __________.