Vì sao, trong nuôi cấy không liên tục, vi sinh vật tự phân hủy ở pha suy vong, còn trong nuôi cấy liên tục hiện tượng này không xảy ra?

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V. Each line below has a word that shouldn’t be.Find and correct it into next colmn. Mỗi dòng trong đoạn văn sau cótừ thừa, em hãy tìm ra từ đó và chép sang cột bên cạnh This is Nam. He is my friend. He does gets up at a quarter to six. He brushes his the teeth, takes a shower and gets dressed. He has breakfast, then he leaves the house at a half past six. The school is near from his house so he goes on foot. Classes start at seven o’clock and end at half past eleven o’clock. He comes back to home and has lunch at twelve o’clock. It’s eight o’clock on Saturday evening now and Nam is in at home. He is in his room house and he is playing video games . He is also listening to music everyday at the same time. He plays games and listens to music every on Saturday and Sunday weekend. Sometimes he goes out and plays sports games with his friends. 0. does 1. _______________ 2. _______________ 3. _______________ 4. _______________ 5. _______________ 6. _______________ 7. _______________ 8. _______________ 9. _______________ 10. _______________ VI. Put a suitable preposition in the blank. 1. How …………….. eating out tonight, Tom? 2. Lan sometimes goes to school ………………… foot. 3. The film starts ………………… half past seven. 4. They are never late ……………….. school. 5. She is English. She is ……………..….. England. VII. Fill in each gap with a suitable word to complete the dialogue. Salesperson: Can I ……(1)……… you? Customer: Yes. I would like ……(2)…….. meat. Salesperson: How ……(3)………. do you want? Customer: A kilo, ……(4)…... Salesperson: A kilo of meat. Is there ……(5)……. else? Customer: Yes. I'd ……(6)……….. some bananas. Salesperson: How ……(7)…….. do you want? Customer: Five. And I want to buy half a ……(8)…..of sugar. Salesperson: ……(9)…… you are. Customer: Thank you. Salesperson: Thank you. See ……(10)… again.