Tính nhẩm tìm $a$ thoả biểu thức sau: $D[\infty]+D^T[2]-D^{-1}[4]=a+D[\frac{1}{8}]$

Nêu cách di chuyển, thức ăn, thời gian kiếm ăn, tập tính của con công

I. Choose the best answer (A, B, c or D). 1. I find it hard to understand that foreigner because of his ………………. A. voice B. sound C. accent D. volume 2. Kangaroos and ………………. are the iconic animals of Australia. A. beaver B. koala C. eagle D. cheetah 3. Coming to New Zealand, you will be surprised by its many ………………. views. A. breath-taking B. taking-breath C. breath-take D. take-breath 4. The Statue of Liberty in Upper New York Bay of America ……………. the freedom. A. presents B. shows C. symbolizes D. reveals 5. Singapore is an ideal destination for worldwide visitors because of its many ………. A. tour attractions B. attraction tours C. attractive tours D. tourist attractions 6. Some beauty spots in this city ………………. reconstructed to attract more visitors. A. has been B. have been C. will have D. will been 7. The Louvre Museum ………………. from 9 a.m. to 6 p.m. every day except Tuesday and Wednesday. A. opens B. open C. will open D. will be open 8. They ………………. to New York to join the Fashion show next week. A. will fly B. will be flying C. flies D. fly 9. This annual festival ………………. at the end of the March. A. will hold B. will be held C. holds D. is held 10. I ………………. Sydney Harbour twice, so this time I think I ………………. to a different place. A. have visited - will go B. have visited - will be going C. visited - will go D. visited - will be going

Bản sắc văn hoá của mỗi dân tộc được thể hiện trong ?

Độ sâu nước biển ở nơi người ta phát một sóng siêu âm có vận tốc 1500 m/s và thu được âm phản xạ sau thời gian 2 giây là A. 1500 m. B. 3000 m. C. 6000 m. D. 750 m.

II. Complete the sentences with the words in the box. accent brigade cattle fence football igloo loch monument native symbol 1. The silver fern is a national …… .............. of New Zealand. 2. Mount Rushmore is a national …… ……. carved into a mountain in South Dakota, USA. 3. Trung speaks English like a …… ......... though he comes from Vietnam. 4. I sometimes thought John's …… ……. sounded English, sometimes American. 5. In Scotland, the word "…… ……." is used to describe any large, enclosed expanse of water. 6. It took six years to build the rabbit-proof ……......... in Australia. 7. England is the original home of ……. ……. because the sport was invented there. 8. Edinburgh, Scotland was the first city in the world to have his own fire … .......... in 1824. 9. Anna Creek Station in South Australia is the world's largest ……. station with an area of 24,000 km

cho biết ý nghĩa của các nhóm lệnh sau:Font,Paragraph,Syles,Editing hứa vote 5 sao .xin cảm ơn

Anh em giúp mình với đang cần gấp <3

Khi chơi nhạc cụ tạo ra âm có tần số 440 Hz, người đứng gần và người đứng xa nhạc cụ hơn vài mét nghe được âm có tần số A. nhỏ hơn 440 Hz. B. lớn hơn 440 Hz. C. không thay đổi. D. không so sánh được.

I. Fill in the blank with the correct form of the given word. 1. The maple tree is one of the most ………………. images of Canada. 2. Visiting New Zealand, you will have a chance to see a lot of ………………. landscapes. 3. English is the ………………. language of many countries in the world. 4. Scotland is very famous to the world for its rich culture as well as its ………………. beauty. 5. The castle looks as charming as a lady with ………………. beauty. icon scenery office nature end