vẽ mầm sung sướng or hào hứng NL : Hôm nay mik thấy mik đz hơn những ngày khác

Chọn đáp án nào sau đógiải thích vì sao lại chọn đáp án đó III. Choose the sentence that has the same meaning as the first. 1. If you are not careful, you will cut yourself with that knife. A. Unless you are careful, you will cut yourself with that knife. B. If you are careful, you will cut yourself with that knife. C. Unless you are not careful, you will cut yourself with that knife. D. Unless you were careful, you will cut yourself with that knife. 2. Because he doesn’t leave immediately, I call a policeman. A. Unless he leaves immediately, I won’t call a policeman. B. If he leaves immediately, I won’t call a policeman. C. Unless he leaves immediately, I will call a policeman. D. If he left immediately, I wouldn’t call a policeman. 3. Today isn’t Sunday, so the pupils can’t go swimming. A. If today is Sunday, the pupils could go swimming. B. If today were Sunday, the pupils could go swimming. C. The pupils could go swimming unless today is Sunday. D. The pupils could not go swimming if today isn’t Sunday. 4. Stop talking or you won’t understand the lesson. A. If you don’t stop talking, you won’t understand the lesson. B. If you don’t stop talking, you wouldn’t understand the lesson. C. If you hadn’t stopped talking, you wouldn’t understand the lesson. D. If you hadn’t stopped talking, you wouldn’t have understood the lesson. 5. If the homework is difficult, I will ask you for help. A. Unless the homework is easy, I won’t ask you for help. B. Unless the homework is difficult, I will ask you for help. C. Unless the homework is easy, I will ask you for help. D. Unless the homework isn’t difficult, I won’t ask you for help. 6. I’ll let you borrow the book but you must promise to return it next week. A. If you promise to return the book, I let you borrow it. B. If you promised to return the book, I’ll let you borrow it. C. If you promise to return the book next week, I’ll let you borrow it. D. If you promise to return the book next week, I won’t let you borrow it.

Cho các chữ số 1,2,3,4,5,6,7,8. a, Có thể lập được bao nhiêu số có 4 chữ số từ những chữ số trên. b, Có bao nhiêu số có 3 chữ số được lập từ những số trên? (Các chữ số có thể lặp ở mỗi số )

1.Thực hiện phép tính: a) (5/7 : 3/4) x 2/5 + 131313/212121 b) (1 + 1/15) x (1 + 1/24) x (1 + 1/35) x...x (1 + 1/9999) 2.Tìm y, biết: a) y x 3 - y x 7/5= 11,2 b) 1/3x5 + 1/5x7 + 1/7x9 +...+ 1/y x (y + 2)= 16/99 (y là số tự nhiên)

Em nghĩ đúng hết rồi Nhưng ac giúp e nha <3

viêt khoảng 150 từ I would like to visit your campus but I can’t because of SARS-CoV-2 epidemic, so can you describe your university? Where is it? what is it like? Can I find cheap accommodation for my son if he is accepted to be the freshman next October? Write and tell me what you think.

Giúp mình với ạ mình đang cần gấp

tính độ lớn của vecto độ dời và quãng đg đi đc lớp 10 (giải chi tiết)

Cho parabol (P): y = 1/2𝑥^2 và đường thẳng (d): y = x − m + 3. Tìm m để đường thẳng (d) cắt parabol (P) tại hai điểm phân biệt có hoành độ 𝑥1,𝑥2 sao cho 𝑥2 = 3𝑥1 .

Phương trình $x^2 - 2mx + m^2 - 1 = 0$ có 2 nghiệm $x_1$ = 0, $x_2$ > 0 là: A. m = ±1 B. m = -1 C. m > 0 D. m = 1 GIẢI CHI TIẾT MỚI CHỌN ĐÁP ÁN Ạ!