【判断题】“这个小伙子真棒”中的“小伙子”是指博莱克。( )
【单选题】( )是根据初步设计和更详细的调查研究资料编制的,进一步解决初步设计中的重大技术问题。
【单选题】Based on the timeline, when do you think the steam engine was invented?
【单选题】_____ foreign friends come to visit China every year. [ ]
【单选题】( ) 是根据初步设计和更详细的调查研究资料编制的,进一步解决初步设计中的重大技术问题。
【单选题】Every year, millions of people visit the Palace Museum, and many of ____ are foreigners. [ ]
【单选题】Every year, _____ fishes are killed by the polluted water and many people are made sick by the polluted air. [ ]