ẩm thực ngày tết,nguồn gốc từ đâu?

1. Aymara _____ an Indian language spoken by approximately one million people in Bolivia and Peru. a. which is b. being c. is d. it is 2. Many North American universities_____ by private donations. a. supported b. are supported c. which are supported d. support 3. _______ direct link exists between seat belt use and fever traffic fatalities. a. There is a b. A c. That there is a d. Because 4. ______ many people learn to make their own repairs and home improvements. a. When having instruction manuals b. There are instruction manuals c. From instruction manuals d. It is instruction manuals 5. Lake Superior______, borders on the United States and Canada. a. in the world is the largest lake b. is largest lake in the world c. it is the largest lake in the world d. which is the largest lake in the world 6. Taj Mahl, _____ by Shah Janhan for his wife, is thought to be one of the great architectural wonders of the world. a. being built b. was built c. built d. been built 7. The Tomb of the Unknown Soldier, _____ to unidentified soldiers killed in battle, is located in Arlington, Virginia. a. which a monument b. a monument c. is a monument d. a monument being 8. _____ volcanos can destroy large areas of vergetation. a. They erupt b. When they erupt c. When eruption d. Their eruption

Một gen có L= 4080 A° có tỉ lệ A+T/G+X=17/7 a. tính tổng số liên kết h2 của gen b. Game đổi nhân đôi hai lần. Tính tổng số nu có trong các gen con được hình thành

giúp mình với ạ ạ ja ạ ạ ạ ạ ạ ạ ạ a ạ ạ ạ ạ ạ auauauuauaua

gúp mình bới ạ ạ ạ ạ ậ ja ja ạ ậ âjajajajajajja

1. Where's John? He (listen)_________ to a new CD in his room. 2. Don't forget to take your umbrella with you to London. You know it always (rain)_______ in England. 3. Jean (work)___________ hard all day but she (not work)__________ at the moment. 4. Look! That boy (run)__________ after the bus. He (want)__________ to catch it. 5. He (speak)________ German so well because he (come)___________ from Germany. 6. Shh! The boss (come)_________. We (meet)__________ him in an hour and nothing is ready! 7. Do you usually (go)_____ away for Christmas or (stay)__________ at home? 8. She (hold)_______ some roses. They (smell)__________ lovely. 9. Oh no! Look! It (snow)________ again. It always (snow)________ in this country.

Cho tam giác cân ABC , AB=AC .Trên cạnh BC lấy điểm D,trên tia đối của CB lấy điểm E sao cho BD = CE . Các đường thẳng vuông góc với BC kẻ từ D và E cắt AB và AC lần lượt ở M và N . CMR: a) DM=EN b) Chứng minh IM=IN,BC<MN

giải cho mik bài này vs, chi tiết xíu nha

Cân bằng KNO3-->KNO3+O2 bằng phương pháp cân bằng electron

sắp xếp câu 1. essential/discipline/ It/be/that/children/should/is /taught 2. maps/ beautifully/The/is/many/and/photographs/book/colorful/illustrated/with 3. imported/cola/than/people/say/Some/better/the/that/local/the/product/is 4. I/been/that/I/ mistake/ have / a told/am/great/ making 5. straight/ his / took/then/doctor/to/The/told/temperature/and/him/go/bed/to 6. Would/to/enough/you/lend/be/kind/some/me/money? 7. needed/ because/ umbrella/ today/ sunny/day/The/is/it/be/not/all/will 8. dirty/that/The/could/he/was/his/bathe/not/water/so/eyes.