2. 根据语境猜测黑体词的含义。 (1)The biology class studied the structure of a cell. ( ) (2)Brazil is the world’s largest producer of coffee. ( ) (3)An educator must first educate himself. ( ) (4)I don’t like this idea. I’m sticking with my original one. ( ) (5)Steel production dropped by more than 50%. ( ) (6)How do you convert iron into steel? ( ) (7)We export rice but import wheat. ( )

生物学

生产者

教育

原来的

产量

转换

出口