Obesity has become a real national disease, which particularly afflicts the poorer part of the population._

中国大学MOOC: Received Pronunciation refers to a way of pronouncing standard English that is used by two percent of the _________ population._

When estimating population parameters, a point estimate is:? always equal to a population value.|a range of possible values for a population parameter.|the population mean.|a statistic that estimates a population parameter.

----What ______the population of China? --China has a population of around 1.4 billion. One-third of the population ______ workers here.

I don’t know ____ . A: what the population of Tianjin is B: what is the population of Tianjin C: how much the population in Tianjin is D: how much is the population in Tianjin

What _____ the population of China? One-third of the population _____ workers here.

----What ______the population of China?--China has a population of around 1.4 billion. One-third of the population ______ workers here. A: is; are B: are; are C: is; is D: are; is

Now our city has ____ of more than two million. A: the population B: a large population C: populations D: population

The population in China is very large, and eighty percent of the population in China (be) farmers.

What ______ the population of China ? One-third of the population ______ workers here. ( ). A: is; is B: are; are C: are; is D: is; are