【简答题】听短文。 1. Many American children do some work when they are _____. A. happy B. healthy C. free 2. People will give the kids some _____ after they help them. A. training B. money C. information 3. The ch...
【简答题】The idea that some groups of people may be more intelt than others is one of those hypotheses that dare not speak its name. But Gregory Cochran is 1 to say it anyway. He is that 2 bird, a scienti...
【判断题】Carved pumpkins are used to scare away vampires, according to some superstitious people.()