Unit 1 How can we become good learnersAnswers to Unit 1一、单项选择。1-5 BDACB 6-10 CBBAB 11-15 BCABB二、用所给的正确形式填空。1. memory；memorize 2. pronunciation；pronouncing3. connect；connection 4. expressing；expressions5. wise；wisely三、根据句意和首字母完成句子。1repeats/reviews 2Chemistry3secrets/skills 4knowledge5. create四、完形填空。1-5 BBAAB 6-10 CCBCA五、阅读理解。A：1-5 BABAA B：1-5 CEABF六、阅读短文并回答问题。1. She can speak to cows.2. At the age of 9.3. Carlee Taylor loved the cows as soon as she saw them.4. It refers to the cow.5. Carlee Taylor - A girl can speak to cows.七、完成对话，一空一词。1. well 2. Attention 3. Review 4. Understanding 5. Expressing6. ability 7. Until 8. Speed 9. more/other 10. quickly/fast/soon八、选词填空，选择恰当的单词并用正确形式填空，每个单词使用一次。1. advice 2. Different 3. But 4. More 5. by6. express 7. Someone 8. Pretty 9. One 10. miss2