Bài 1 Tính nhanh 1.(-49).99 2.(-52).(-101) Bài 2.Tìm số hạng thứ bảy của dãy số -3;9;-27;81

lá chế tạo chất hữu cơ cho cây là nhờ có j

ngôi nhà của em có rất nhiều đồ vật được coi như bạn thân ( bàn học, lịch treo tường ,giá sách nhỏ, tủ đựng ,quần áo, tủ đồ chơi, ...) hãy tả một trong số đó

Bằng 1 đoạn văn 12 câu,em hãy làm rõ câu diễn dịch sau:"Trần Quốc Tuấn đã thực sự có những lời khích lệ vô cùng hiệu quả đối với tâm lý của những binh sĩ".Trong đoạn văn có sử dụng 1 câu bị động và 1 câu ghép.

tính đạo hàm của ∛x (căn bậc 3 của x)..cảm ơn nhiều

I. Use the Past form of the verbs: I (be).......................................a student 2 years ago. 2- He (be).................................. a doctor two years ago. 3- They (be)................................. farmers last year. 4- Lan and Ba (be) .........................nurses last year. 5- It (be not)............................ cold yesterday. 6- She (be not)........................a pupipl last week. 7- This hat (be not) .........................new yesterday. 8- My parents (be not) .......................teacchers two years ago. 9- He (be not) ..........................a mechanic last Monday. 10- (Be)................... he an engineer yesterday. No , he (be not)..................... 11- (Be) .................It hot last week? 12- The windows (be) ....................open last Monday. 13- (Be)................. you a teacher two years ago? Yes , I (be)................. 14- Where (be) ....................Nam from yesterday? 15- Why (be) ............................he unhappy last Tuesday? II. Use the Past form of the verbs: 1. Yesterday, I (go)______ to the restaurant with a client. 2. We (drive) ______ around the parking lot for 20 mins to find a parking space. 3. When we (arrive) ______ at the restaurant, the place (be) ______ full. 4. The waitress (ask) ______ us if we (have) reservations. 5. I (say), "No, my secretary forgets to make them." 6. The waitress (tell)______ us to come back in two hours. 7. My client and I slowly (walk) ______ back to the car. 8. Then we (see) ______ a small grocery store. 9. We (stop) in the grocery store and (buy) ______ some sandwiches. 10. That (be) ______ better than waiting for two hours. 11. I (not go) ______ to school last Sunday. 12. She (get) ______ married last year? 13. What you (do) ______ last night? - I (do) ______ my homework. 14. I (love) ______ him but no more. 15. Yesterday, I (get) ______ up at 6 and (have) ______ breakfast at 6.30. III/Write complete sentences. Use the past simple of the verb 1. I / go swimming / yesterday. .......... 2. Mrs. Nhung / wash / the dishes 3. my mother / go shopping / with / friends / in / park. 2 4. Lan / cook / chicken noodles / dinner. 5. Nam / I / study / hard / last weekend. 6. my father / play / golf / yesterday. 7. last night / Phong /listen / music / for two hours. 8. they / have / nice / weekend. 9. she / go / supermarket yesterday. 10. We / not go / school last week IV/ Write the questions with “Did…….?”and give the answer with “Yes / No: They played soccer yesterday afternoon - Did they play soccer yesterday afternoon? Yes, they did. / No, they didn’t. 1. He sent a letter to his penpal last week. 2. She taught us English last year. 3. They did their homework carefully. 4. The Robinsons bought a lot of souvenirs. 5. Tourist ate seafood at that famous restaurant. V. Choose the best answer: 1. They ................... students yesterday. a. am b. is c. was d. were 2.They ............. doctors two years ago. a. am b. is c. was d. were 3. They ............... farmers last month. a. are b. is c. was d. were 4. We ....... nurses yesterday. a.are b. is c. was d. were 5. The weather ........ cold yesterday. a.aren’t b. isn’t c. wasn’t d. weren’t 6. I .........a pupipl last week. a.aren’t b. isn’t c. wasn’t d. weren’t 7. These hats .......new yesterday. a.aren’t b. isn’t c. wasn’t d. weren’t 8. My parents........teacchers two years ago. a.are b. is c. was d. were 9. He .............a mechanic last Monday. a.aren’t b. is c. wasn’t d. weren’t 10. ... he an engineer yesterday. No, he ...... a.is/ is n’t b.are/aren’t c.was/wasn’t d.were/weren’t 11. .......It hot last week? a. am b. is c. was d. were 12. The shops ...open last Monday. a. am b. is c. was d. were 13. .... you a teacher two years ago? Yes ,I.......a.is/ is n’t b.are/aren’t c.were/wasn’t d.was/weren’t 14. Where ......Nam from yesterday? a. am b. is c. was d. were 15. Why .........they unhappy last Tuesday? a. am b. is c. was d. were Giải hộ mình và ghi rõ mình sẽ vote hay nha ( lưu ý ; đừng ghi dính lại nha mấy bạn )

Choose the best option to fill in the blank. 1. During..... the costumes performing on the streets. there are thousands of samba dancers with very beautiful A. Mid-autumn festival B. Carnival C. Easter D. Halloween 2. ... is part of the Thai New Year. People throw buckets of water on each other to wish for luck. A. Mid-autumn festival B. Easter C. Thanksgiving D. Water Festival 3. What i like about festivals is that they show the ............ values of different communities. A. Carnival B. culture C. cultural D. parade 4. Turkey is one of the....... foods at Thanksgiving in the US. A. Easter B. serious C. culture D. traditional 5. Many Vietnamese people are very.........and there are lots of things to do and not to do during Lunar New Year. A. superstitious B. seasonal C. celebratory D. festives 6. in America, Halloween is one of the two most important........ holidays of the year. A. celebratory B. religious C. culture D.parade 7. After the....... people often stay at home to play cards of chat together to A.feastB.cranberryC.jetD.lantern 8.Swimming....help protect your eyes and allow you to see better under water A.gravy B.turkey C. googles D. stuffing 9. British famers celebrated the end of the ....... with a big meal to give thank s to God. A. craberry B.chaos C. highlight D.harvest 10. The Mid-autumn festival is an occasion for children to play with traditional toys , especial lly star..... A .feast B.lanterns C.stuffing D.goes 11.Abull jumped in to the stands in Tafalla,Spain and created the ..... A.harvest B. turkey C.chaos D. suffing 12. Every May, the capital ò Canada , Ottava .... the world ' s largest tulip festival which attracts more than 500.000 tourists to come and see. A.hosts B.takes place C. decorates D.goes Giúp mik nha . Cảm ơn trc!

TP. HCM giáp mấy tỉnh? A.4 B.5 C.6 (KO CHỌN ĐẠI NHÉ)

Cho sabcd có abcd là hình chữ nhật. sa vuông góc mặt phẳng abcd. gọi ae,af lần lượt là các đường cao của tam giác abc và tam giác sab. cmr sc vuông góc với mặt phẳng aef

Đọc chương trình sau và trả lời các câu hỏi: Program giaiptbac1; Var f1, f2 : text; a, b : integer; x : real; Begin assign(f1, ‘input.txt'); reset(f1); assign(f2, ‘output.txt'); rewrite(f2); while not eof(f1) do begin read(f1,a,b); x:=-b/a; writeln(f2,‘nghiem la: ',x:7:1); end; close(f1); close(f2); End. a. Chương trình sử dụng bao nhiêu tệp, biến tệp? Kể tên? b. Tệp input.txt, output.txt được gắn cho những biến tệp nào? Nó dùng để đọc hay ghi dữ liệu? c. Chỉ ra câu lệnh gắn tên tệp, mở tệp của tệp input.txt và output,txt; Câu lệnh đọc tệp? Câu lệnh ghi tệp? d. Điều kiện để tham chiếu đến tất cả các cặp số nguyên trong tệp input.txt? e. Chương trình sử dụng bao nhiêu câu lệnh đóng tệp? Không đóng tệp được không? Vì sao? giúp e với ạ