必修5 unit 1 great scientists 一、单元重点词汇 1. [2002上海卷]i feel it is your husband who_____ for the spoiled child. a. is to blame b. is going to blame c. is to be blamed d. should blame 2. [2011湖南卷] it is the most instructive lecture that i _____since i came to this school. a attended b had attended c am attending d have attended 3. [2009 福建]—why does the lake smell terrible? —because large quantities of water _____. a. have polluted b. is being polluted c. has been polluted d. have been polluted
