Tìm x biết ( ($\frac{1}{2}$x-5)^20+($y^{2}$ -$\frac{1}{4}$)^10 ≤0

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1. Write questions and short answer about the food. Use the correct form of there is or there are and some, or any. Follow the examples. Example : bananas ? / Yes. A : Are there any bananas ? B : Yes, there are some cheese ? / No. A : Is there any cheese ? B : No, there isn't any. 1. cakes ? / Yes.__________________________________________ 2. butter ? / No.__________________________________________ 3. mineral water ? / Yes.___________________________________ 4. eggs ? / No.____________________________________________ 5. salt ? / Yes.___________________________________________ 6. carrots ? / Yes._______________________________________ 7. apples ? / Yes.__________________________________________ 8. sugar ? Yes._____________________________________________ 2. Fill in each blank with the correct word : some, or any. Mai : I'm really hungry. What did you have for lunch ? Nam : Nothing ! I wanted to make (1)________pancakes but I don't know how to make one. Mai : OK. We can have (2)_________pancakes. Is there (3)________flour and cooking oil ? Nam : Yes, and we have (4)_______eggs too. Mai : Good. I need two eggs for each pancake. I want (5)________turmeric too. Nam : Yes, there is (6)__________for you. Do you need (7)________minced pork and green onions ? Mai : Yes, I need (8)_________.OK, that's enough for us to make pancakes now. 3. Match the two parts of the sentences, and write the answer ( a - b ) in the blanks. _______1. How much a. food at the party ? _______2. There's a lot b. onions _______3. There aren't many c. orange juice _______4. How many d. of tomatoes in this salad. _______5. We don't have much e. milk do we have. _______6. Was there much g. of ham on this pizza. _______8. Are there many h. potatoes do you want ? 4. Complete the questions with " How much " or " How many ". 1._______________homework do you do a day ? 2. ______________sleep do you get a night ? 3._______________text messages do you send a day ? 4._______________money have you got in your pocket ? 5._______________cousins have you got ? 6._______________packets of biscuits do you eat a week ? 7._______________people are there in this classroom ? 8._______________time is there to the end of the lesson ?