Đáp án:
90%
Giải thích các bước giải:
Lượng nước trong nấm khô là :
$\frac{25}{100}$ . 12 = 0.3
Lượng nước giảm đi là :
22 - 2,5 = 19,5
Số phần trăm nước trong nấm tươi là :
(0,3 + 19,5 ) : 22 = 0.9 = 90 %
Đáp số: 90%
Đáp án: 90 phần trăm
Lượng nước trong nấm khô là
2,5:100x12=0,3 (kg)
Lượng nước giảm đi là
22-2,5=19,5(kg)
Lượng nước trong nấm tươi là
0,3+19,5=19,8(kg)
Số phần trăm nước ở trong nấm tươi là
19,8:22=0,9=90 phần trăm
đáp số 90 phần trăm
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X. Use the word to build the sentence. 1. I/ give/ you/ something/ relieve/ pain __________________________________________________________________________ 2. You/ shouldn’t/ eat/ too/ many/ oily food/ chips __________________________________________________________________________ 3. If/ you/ put on/ weight/ quickly, you/ eat/ less/ eat/ healthily __________________________________________________________________________ 4. Play/ sports/ after work/ help/ you/ relax better. __________________________________________________________________________ 5. it/ be/ essential/ regular exercise/ and eat/ healthily. __________________________________________________________________________ XI. Write full sentences using the suggested words and phrases given. 1. We / keep / body healthy /eating properly /exercising regularly/. __________________________________________________________________________ 2. There/ many types/exercises/ we may participate /. __________________________________________________________________________ 3. Smoking / dangerous diseases such/ heart disease/ lung cancer. __________________________________________________________________________ 4. I’m /busy/ Friday,/ I / visit you/ Saturday afternoon. __________________________________________________________________________ 5. Having / meal/ day/ good, so you / eat three meals/ day: breakfast, lunch,/ dinner. __________________________________________________________________________ 6. We/ avoid/ diseases/ having balanced meals. __________________________________________________________________________ 7. I/ try/ avoid foods high/ fat like fries/ cookies __________________________________________________________________________ 8. I/ eat/ of vegetables fresh fruit/ full/ fiber/ vitamins __________________________________________________________________________ 9. Nick/ wash/ hands a lot/ he/ not/ have/ the flu __________________________________________________________________________ 10. Eating/ fresh fish/ make/ you smarter _____________________________________________________________________________ XVII. Sentence correction: Can you rewrite the following sentences in correct English? 1. Laughing is good with health. 2. Some people have a very bad habit in littering in public. 3. In prevent flu, we should keep our hands clean, our feet warm. 4. She has a sore throat yesterday. 5. People who live in a dusty area often suffer on diseases. 6. It is important to keep our body health. 7. You yawnbecause your lung need more oxygen. 8. People who smiles more are happier, and they live longer. 9. Do you know that orange offer more health benefits than Vitamin C pills? 10. We had waited since a while at the clinic before I got to see the doctor. 11. I’ve drunk three glasses of beer, but I’ve got a headache. 12. Nam is my classmates. He watches TV every night. 13. I think collecting stamps are interesting. 14. Watch more television; if not, your eyes will be tired. 15. Eating lots of fast food can make you fat or obesity. XIX. Supply the correct form of the words 1. I eat ________________, exercise regularly, and keep up my social life. (HEALTH) 3. It s such a ______________________day! Will we visit our grandparents? (BEAUTY) 4. Ask your doctor for tips or _____________________to help you stop smoking (TREAT) 5. Relax in our ________________chairs and enjoy our excellent tea and hot chocolaté (COMFORT) 6. Be ____________with what you eat and drink. (CARE) 7. If you have ___________________, it is best to seek immediate advice from a dentist. (TEETH) 8. Time passes _________________when you are alone. (SLOW) 9. Is she _____________ enough to run one kilometer? (GOOD) 10. That’s a bad ____________. Why don’t you have a glass of water? (COUGHING) 11. Drinking unclean water can cause __________________. (sick) 12. I find woodcarving _____________________because it's a creative activity. (interest) 13. I think collecting glass bottles is (usual) _____________________. 14. Susan is very _____________sand she paints very well. (create) 15. Today Lien is _____________ because she misses her parents. (happy) 16. I like cats but unfortunately I'm __________________________ to them. (ALLERGY) 18. This book requires a great deal of ____________________ (CONCENTRATE minh dang can gap
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