【单选题】听力原文:Woman: I haven't seen you for ages! Where have you been? Man: Actually, I have been doing research recently. I have to stay in the lab almost all the time. I'm happy to tell you that the work is ...
【简答题】用所给动词的适当形式填空。 1. Hello, I _____ (not know) you _____(be) in London. How long have you been there? 2. By the end of last week, he _____(read) this book four times. 3. I _____ (not have) any English kno...
【简答题】What will people die of 100 years from now? If you think that is a question, you have not been paying attention to the revolution that is taking place in bio-technology(生物技术). With the help of ...
【简答题】What will people die of 100 years from now? If you think that is a question, you have not been paying attention to the revolution that is taking place in biotechnology. With the help of new me...