【多选题】(教材对话原文) Michael: They are testing the 3D printer. Don’t you come and see it? Lucas: What? Never heard of it. Michael: It is one of the most latest technological innovations. Lucas: Really?{A; B; C; D...
【简答题】Questions 3 and 4 are based on the news report you have just heard. 3. A) Testing the efficiency of the new solar panel. B) Providing clean energy to five million people. C) Generating electric power ...