【单选题】Which of the following statements is true according to the passage?
A.
When the price of a product goes up, there will be a greater demand for it.
B.
It's up to the customer as to how much he/she pays for certain goods.
C.
Seller-producers have to keep immediate track of market in order to be successful.
D.
Supply and demand are always well-balanced in a market-oriented economy.
【单选题】种群相互竞争模型中,最终结局会出现几种可能?
【单选题】Which of the following statements is not true?
A.
The head of the church of England is the pope.
B.
The Church of England is Protestant in nature.
C.
The Church of England is divided into two provinces: York and Canterbury.
D.
Most English people believe in God and the Bible.
【单选题】在我国的哪个时期,南北菜系的地方特色已经初步形成
【单选题】在我国的哪个时期,南北菜系的地方特色已经初步形成