số đối của -7 phần 15 làm giúp em với ạ

Cách bảo vệ tầng ozon bằng pp hóa học( các bạn trả lời khóa học dùm chút nha, chứ đừng áp môn ngữ văn vào đây)

5. Minh can go to school by himself. He is __________ now (difference) giúp em với

Câu 2: Sau khi học xong Chuyện chức phán sự đền Tản Viên e suy nghĩ gì về cuộc đấu tranh giữa thiện và ác. Viết cảm nhận bằng 1 đoạn văn

cho tam giác KFC vuông tại K có KF=9cm, KC=12cm.Tính FC A. FC=15cm. Định lí pitago đảo B.FC=25cm. định lí pitago C. FC=15cm. định lí pitago D. FC=25cm. định lí pitago đảo

Ai giải hộ mình với ạ mình đang cần gấp Hứa vote 5 sao

Giải hộ mik vs Mik đang cần gấp

Giúp nha 🙁😞😢😭🤧😵🤒 Bài 3 và 4

6 Choose the words that have the different stress from the others. (5 Points) A. continent B. cinema C. elephant D. computer 7 Choose the words that have the different stress from the others. (5 Points) A. receptionist B. biography C. disqualify D. operation 8 Choose the best answer: Please note that students ................ use dictionaries in their writing test if they wish. (5 Points) A. may B. might C. will D. Both "may" and "might" are correct 9 Choose the best answer: ............... will the next space buggy be sent to the moon? (5 Points) A. Who B. Whether C. Why D. When 10 Choose the best answer: David ............ his mother that he would not come home the following summer vacation. (5 Points) A. asked B. said C. told D. reported 11 Choose the best answer: He wanted to know why his friends had missed an amazing speech about life on Mars ................ (5 Points) A. last week B. the previous week C. the following week D. All are correct 12 Choose the best answer: My sister asked:"........................ the dress for me?" (5 Points) A. You used to buy B. You would buy C. Will you buy D. You buy 13 Choose the best answer: "....................................for a cup of tea?" I asked my friends. (5 Points) A. We will meet B. We are meeting C. We shall meet D. Shall we meet 14 Choose the best answer: Mother asked Lorie .................. in her tests. (5 Points) A. if she will do well B. whether she did not do well C. why did she not do well D. why she did not do well 15 Choose the best answer: Scientists are ................ new technology for making artificial intelligence with emotions. (5 Points) A. looking up B. looking for C. looking at D. looking down 16 Choose the best answer: At this time tomorrow, I .................... the robotic exhibition. (5 Points) A. visit B. am going to visit C. will visit D. will be visiting 17 Choose the best answer: This technical problem is not easy for her ................. (5 Points) A. solving B. solved C. to solve D. solves 18 Choose the correct form of the word given to complete the sentences. There is still room for ............. in your work. (5 Points) improve improvement improved 19 Choose the correct form of the word given to complete the sentences. Today scientific progress is mostly defined in terms of .............. advancements. (5 Points) technological technology technologically 20 Choose the correct form of the word given to complete the sentences. The first experiment was .........., so we need to do another one. (5 Points) successful successfully unsuccessful 21 Choose the correct form of the word given to complete the sentences. A ...................... is a scientist who studies the solid and liquid matter that constitutes the Earth. (5 Points) geology geologist geologies 22 Choose the correct form of the word given to complete the sentences. The U.S. .................... of the Moon began with the Ranger 4 impactor in 1962. (5 Points) explore exploration explosive

giải phương trình sau 3x-7=x ²(7-3x)