必修2 unit 2 单元检测 i．单项选择 （20%） 1. ----- do you know how many gold ________ china gained in the beijing olympics games? ----- i’m sorry i don’t know. can you tell me? a. coins b. prizes c. medals d. rewards 2. don’t worry. i’ll help to act as ________ for the guests. a. hold b. host c. wait d. accept 3. he stopped and turned around __________. a. every few metres b. every other metres c. every a few metres d. every metres 4. we can’t _________ other countries in trade if we don’t develop our national economy. a. compete for b. compete against c. catch up d. catch with
