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datkhiyeuaido
2 năm trước
Một bếp ga cung cấp 1 nhiệt lượng là 1854125 J để đun nóng một nồi đồng từ 20oC đến 90oC,Biết khối lượng nước cần đun là 500 g ,hiệu suất bếp là 80%.Tính Thế tích nước trong nồi
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Bài 1:Three people have talked about what they have done in their free time so far this week. Answer the questions below. Nick: I've spent about thirty hours on the Internet so far this week. I'm really into it. I usually go on about 9.00 in the evening after dinner and homework. I maybe stay on until half-past eleven in the evening when the rest of my family are all in bed. Phong: I haven't written any letters so far this year. Nobody writes letters these days, do they? I always send e-mails or cards if it's a birthday or something personal. Mai: I don't know how many books I've read so far this year ... too many to count. I've read five books this week. I usually read about four or five in a week. I love reading. If I really like a book, I might read it five or six times 1. When does Nick often go to bed after going on the Net? 2. How can Phong communicate with others? 3. How many books does Mai read the week? Bài 2:Use the correct form of the verbs. 1. This time next year she ( learn )...............a new language in China 2.............you (send) ...............an email to your friend next Monday?

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