1.What are the common causes of over - population ? > How .................... be ) 2.Surprisingly, some European countries have to import trash from other countries to recycle > It .................... surprising )

viếng lăng bác có ý nghĩa nhan đề k vậy ??

Hỗn hợp X gồm C2H5OH và CnH2n+1OH có tính chất tương tự (n nguyên dương). Chia X thành 2 phần bằng nhau. Cho phần 1 tác dụng hết với Na thu được 0,56l H2 (đktc). Đôys cháy hoàn toàn phần 2 rồi cho sản phẩm cháy lần lượt qua bình 1 đựng P2O5 và bình 2 đựng Ba(OH)2 dư. Phản ứng xong thấy khối lg bình 1 tăng m gam, bình 2 tăng m+0,92 gam. Xác định công thức của A

1. The girl is very friendly. She lived next door to us. ->The girl ................................................................................... 2.It takes Minh 2 hours to do his homework every day. ->Minh spends .............................................................................. 3.We were late for school because of the heavy rain. ->Because it .................................................................................... 4. My mother used to make us clean the house. ->We used ....................................................................................... 5."I'm working in a restaurant, and don't care much for it." she said. ->She said ..................................................................................... 6.It’s two years since I last spoke to her. ->I haven’t ................................................................................... 7.Going swimming in the river in the summer is interesting. ->It is.......................................................................................... 8.No one in my class is more intelligent than Lan. ->Lan is ...................................................................................

Câu 3: Tính (6 điểm) a . 34 – 12 + 56 - 77 b . 8 .( 125 - 3000) Câu 4: (1 điểm) a. Tìm tất cả các ước của - 15 b. Tìm sáu bội của 7 Câu 5 : (1 điểm ) S = 1+ 2+ 2^2 + 2^3 + …+2^10

Singapore is an island city of about three million people. It’s a beautiful city with lots of parks and open spaces. It’s also a very (1)______ city. Most of the people (2)______ in high-rise flats in different parts of the island. The business district is very modern with (3)______ of high new office buildings. Singapore also has some nice older sections. In Chinatown, there (4)______ rows of old shop houses. The government buildings in Singapore are very beautiful and date from the colonial days. Singapore is famous (5)______ its shops and restaurants. There are many good shopping centers. Most of the goods are duty freeSingapore’s restaurants sell Chinese, Indian, Malay and European food, and the prices are quite reasonable. 1. A. large B. dirty C. small D. clean 2. A. live B. lives C. are living D. lived 3. A. lot B. lots C. many D. much 4. A. is B. will be C. were D. are 5. A. in B. on C. at D. for

Dùng ba chữ số 0, 1, 2 hãy viết tất cả các số tự nhiên có ba chữ số mà các chữ số khác nhau.

Our environment will treat humans in a way that human have treated it > Humans ................ (be)

Tính nhanh: a) M= 119+(-213) + 212+ (-118)+ 2009 N= 223+ 132+ 187- 23-32- 87

Bài 3. (2.0 điểm) Tìm các số nguyên x thỏa mãn : a) 2 . |𝑥−1| = 16 b) (-12)2 . x = 56 – [(-10).13.x]