【简答题】阅读理解 Researchers recently made a survey about how people know trees in UK.They showed them pictures of 10 of Britain's most popular types of trees.They asked them to name each.Many British people can...
【单选题】Sleep and Dreams We often hear people ask the question, 'What did you dream about last night?' This shows that dreaming is a very common experience. Everyone in normal health spends parts of the night...