题目

听录音，回答问题。 （1） Who is the speaker? A . A student. B . A professor. C . A teacher's helper. （2） What is the class mainly about? A . Electricity. B . Modern science. C . Science in ancient Greece and Rome. （3） What was calculated correctly by an ancient Greek? A . The size of the earth. B . The size of the moon. C . The distance between the moon and the earth. （4） What will the speaker do next? A . Talk about Archimedes. B . Explain a math problem. C . Answer some questions. Listen and choose. （听录音，选择正确的答案） (     )1. A. I'm 10 years old.      (     )2. A. I like the yellow one. (     )3. A. I'm thinner than you.  (     )4. A. Yes, it is.            (     )5. A. He has a headache.     (     )6. A. I'm  shorter.          (     )7. A. Take some medicine.    (     )8. A. Fine,  thank you.      (     )9. A. I'm watching TV.       (     )10. A. I should sleep.       B. I'm 160 cm tall.            B. I like eating.              B. I'm stronger than you.      B. Yes, they are.              B. She has a headache.         B. I feel sick.                B. Have a good rest.           B. I'm 120 cm tall.            B. I'm going to go to Shanghai                                                  B. I should eat a big meal.