8. Don't throw _____________ this magazine. I haven't read it yet. a. at b. in c. away d. over 10. Your money is going to be _____________ if you’re not careful. a. steal b. stealing c. stole d. stolen 11. There are a number of things we can do to protect our _____________. a. environment b. fertilizer c. compost d. glassware 12. Your breakfast _____________ up to your room tomorrow morning. a. will take b. will be take c. will been taken d. will be taken 13. I threw _____________ all the broken toys. a. aside b. away c. down d. in 14. We can reuse the plastic bottles after they are ___________ with water. a. wash b. washing c. washed d. washing up 15. Farmers collect household and garden waste to make ________________. a. glassware b. compost c. fabric d. floor coverings
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Theo đề bài thì số đó chia 7;8;9 dư1
Vì 7;8;9 là số nguyên tố đội một cùng nhau nên số nhỏ nhất chia hết cho 7;8;9 là
7.8.9 = 504
Suy ra số cần tìm có thể là 505;1009;...........
Nhưng đề bài lại yêu cầu số có ba chữ số nên số cần tìm là:
Là số 505
Gọi số cần tìm là a
a có 3 chữ số nên \(1000\le a<10000\)
Theo đề , suy ra: a-8 chia hết cho 7
=> a-8+7 =a-1 chia hết cho 7
a-9 chia hết cho 8
=>a-9+8=a-1 chia hết cho 8
a-10 chia hết cho 9
=>a-10+9=a-1 chia hết cho 9
Vậy a-1\(\in\)BC (7,8,9)
=>a=1009
8.
"Don't give yourself up," he advised her.
→ He advised her .......not to give herself up........................................... ………………..
9.
"Don't hurt yourselves, boys," she said.
→ She told the boys .........not to hurt themselves ......................................... …………..
1.
→ She told me .................................................. .
2.
"Close the door behind you," he told me.
→ He told me .....to close the door behind me............................................. .
3.
"Don't be late," he advised us.
→ He advised us ......not to be late............................................ .
4.
"Stop staring at me," she said.
→ She told him .........to stop staring at her......................................... .
5.
"Don't be angry with me," he said.
→ He asked her ........not to be angry with him.......................................... .
Lời giải:
Mỗi ngày đơn vị tiêu thụ hết: $5:15=\frac{1}{3}$ (tạ gạo)
Sau khi ăn hết 3 tạ thì đơn vị còn số gạo là:
$5-3+8=10$ (tạ)
10 tạ gạo này đơn vị ăn hết trong:
$10: \frac{1}{3}=30$ (ngày)
8. Don't throw _____________ this magazine. I haven't read it yet. a. at b. in c. away d. over 10. Your money is going to be _____________ if you’re not careful. a. steal b. stealing c. stole d. stolen 11. There are a number of things we can do to protect our _____________. a. environment b. fertilizer c. compost d. glassware 12. Your breakfast _____________ up to your room tomorrow morning. a. will take b. will be take c. will been taken d. will be taken 13. I threw _____________ all the broken toys. a. aside b. away c. down d. in 14. We can reuse the plastic bottles after they are ___________ with water. a. wash b. washing c. washed d. washing up 15. Farmers collect household and garden waste to make ________________. a. glassware b. compost c. fabric d. floor coverings