Câu1: một bóng đèn có ghi 3V - 4,5W được mắc nối tiếp với một biến trở?Hiệu điện thế giữa hai đầu đoạn mạch là 9V

A,khi đèn sáng bình thương tính điện trở và công suất của biến trở khi đó

B,tính điện năng của mạch tiêu thụ trong 1 phút

Nêu nội dung và đặc điểm nghệ thuật của một số văn bản nghị luận?

Câu1:xác định vị trí và đọc tên thủ đô của 11 quốc gia trong khu vực Đông nam á.Theo em quốc gia nào có kinh tế phát triển nhất trong khu vực

Exercise 3:Read and complete passage with words in the box:
Spring ,kept, celebrate, traditional,Because, therefore,served, However.
-Tel is the biggest festival in Vietnam to.(1)....................Tet, Vietnamese people make many tasty (2)...........foods. the most important fool includes chung cakes, sausages, boiled chicken, (3)..........rolls, and sticky rice. Chung cake is made of sticky rice, pork, green beans, and other spices, wrapped in green leaves (4)................this cake needs a lot of preparation this cake can be (5)...........for a long time, even though the weather is often humid during Tet. Other significant food that cannot be missed to worship the ancestors are sausages spring rolls, and sticky rice. (6)............. sausages are difficult to make,people often bye them from famous suppliers. (7).............. sticky rice and spring rolls are easier to prepare and must be (8)............. immediately after they are cooked, so they are often made at home.

Exercise 2:Combine each pair of sentences to make one sentence, using the words given in brackets
1.Lang lieu couldn't buy any special food. He was very poor. (Because)
2.During Tel, Vietnamese people buy all kinds of sweets. They make Chung cakes as well. (so)
3,The Hung king temple Festival was a local festival. It has become a public holiday in Viet Nam since 2007. (however)
4,At the mid-Autumn Festival, kids can sing, dance, and enjoy mooncakes. Every child likes it very much. (Therefore)
5,The water is highly polluted. We cannot swim in this part of the river. (Because)

Exercise 1: Choose the best
4. My uncle can play volleyball. He can't play basketball
A. My uncle can play football, so he can play basketball
B. My uncle can play volleyball, nor can he play basketball
C. My uncle can play volleyball, but he can't play basketball
5. Let's go to swimming pool, It's so hot today
A. Let's go to the swimming pool, for it's so hot today
B. Let's go to the swimming pool,so It's very hot today
C,Let's go to the swimming pool, and it's so hot today
6,You can call the manager directly. You can email him
A,You can call the manager directly, or you can email him
B,You can call the manager directly, for you can email him
C,You can email the manager, so you can call him directly

Exercise 1: Choose the best answer
1. The boy didn't like to go to school. He went anyway
A. The boy didn't like to go to school, so he went anyway
B. The boy hated to go to school yet he went anyway
C. The boy hated to go to school, and he went anyway
2. I am planning to visit Korea. I have started to save some money
A. I am planning to visit Korea, but I have started to save some money
B. I have a plan to visit Korea, nor have I started to save some money
C. I have made a plan to visit Korea, so I have started to save some money
3. The first season of Vietnam Idol aired on VTV in 2007 the first season aired in 2013
A. The first season of Vietnam Idol aired on VTV in 2007, and the first one aired in 2013
B. The first season of Vietnam Idol aired on VTV in 2007, but the first season aired in 2013
C. The first season of Vietnam Idol aired on VTV in 2007, for the first season aired in 2013

Exercise 1: Choose the best answer
1. The boy didn't like to go to school. He went anyway
A. The boy didn't like to go to school, so he went anyway
B. The boy hated to go to school yet he went anyway
C. The boy hated to go to school, and he went anyway
2. I am planning to visit Korea. I have started to save some money
A. I am planning to visit Korea, but I have started to save some money
B. I have a plan to visit Korea, nor have I started to save some money
C. I have made a plan to visit Korea, so I have started to save some money
3. The first season of Vietnam Idol aired on VTV in 2007 the first season aired in 2013
A. The first season of Vietnam Idol aired on VTV in 2007, and the first one aired in 2013
B. The first Exercise 1: Choose the best answer
1. The boy didn't like to go to school. He went anyway
A. The boy didn't like to go to school, so he went anyway
B. The boy hated to go to school yet he went anyway
C. The boy hated to go to school, and he went anyway
2. I am planning to visit Korea. I have started to save some money
A. I am planning to visit Korea, but I have started to save some money
B. I have a plan to visit Korea, nor have I started to save some money
C. I have made a plan to visit Korea, so I have started to save some money
3. The first season of Vietnam Idol aired on VTV in 2007 the first season aired in 2013
A. The first season of Vietnam Idol aired on VTV in 2007, and the first one aired in 2013
B. The first season of Vietnam Idol aired on VTV in 2007, but the first season aired in 2013
C. The first season of Vietnam Idol aired on VTV in 2007, for the first season aired in 2013 of Vietnam Idol aired on VTV in 2007, but the first season aired in 2013
C. The first season of Vietnam Idol aired on VTV in 2007, for the first season aired in 2013

Câu4:cho 22,4 g sắt vào một dung dịch chứa 18,25 g axit clohiđric (HCl)tạo thành sắt (ll) clorua (FeCl₂) và khí hiđro (H₂)

A,lập phương trình hóa học của phản ứng trên

B,chất nào còn dư sau phản ứng và có khối lượng là bao nhiêu

C,tính thể tích của khí hiđro thu được (đktc)