Unit 1 Topic 2 I. 用所给词的适当形式填空 1. Do you think the population ___________(increase)? 2. Sixty percent of the population __________(be) farmers. 3. During the past three or four hundred years the population ________(grow) very quickly. 4. There ____________(be) a rapid increase in population now. 5. He __________(go) to the shop if he _________(have) time. II. 选择填空 ( ) 1. ---_______ was the population of China in 2005? ---About 1.3 billion, I’m sure of that. A. What B. How much C. How many D. What size ( ) 2. ---Why couldn’t people live long in the past? ---It was because of poor ____. A. areas B. medical care C. lifespan D. population ( ) 3. ---Do you like your parents, Maria? ---Of course. Though they love me a lot, they are ___me. A. worried about B. interested in C. good for D. strict with ( ) 4. ---How many students are there in your class, Rita? ---The number was 45 last year. But this term it _____to 55.