Three quarters of the population of our country are farmers

Three quarters of the population of our country are farmers Three fourths of the population of china are farmers. 为什么Three quarters of the population are Chinese.此句中动词用复数are? three quarters of the population are chinese,为什么chinese不是复数, 为什么 three quarters of the population 的be动词用are? More than three quarters of the population are Chinese.句中be动 The population of our country is now more than three times w three-quarters of an three quarters of the mountain__with trees three quarters of the earth is water 70% of our bodies()water,and three quarters of the earth()co the population of that country is getting_____.Yes.There are