Trong câu chuyện Sơn Tinh,Thủy Tinh nhân vật Sơn Tinh để lại trong em ấn tượng sâu sắc.Sơn Tinh sống ở núi cao Tản Viên, có tài năng rất kì lạ:vẫy tay về phía đông,phía đông nổi cồn bãi,vẫy tay về phía tây thì liền mọc lên từng dãy núi đồi.Anh thật tài giỏi,đã nhanh chóng tìm được lễ vật quý báu mà nhà vua chọn làm sính lễ.Anh đã chiến đấu kiên cường,bất khuất với chàng Thủy Tinh có tính hung hăng,không giữ lời. Dù Thủy Tinh hô mưa, gọi gió,dâng nước ngập lên đến thành Phong Châu nhưng Sơn Tinh không hề nao núng kiên trì bốc núi,dời đồi suốt mấy tháng trời để ngăn dòng nước lũ .Sơn Tinh đã cứu nhân nhân ta thoát khỏi bão lũ em rất khâm phục.Em mong Sơn Tinh luôn vững vàng để người dân không rơi và cảnh mưa gió,lũ lụt hằng năm.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

“Where are you spending your holidays?” Janet asked us.

A. Janet asked us where we were spending our holidays.

B. Janet asked us where were we spending our holidays.

C. Janet asked us where you were spending your holidays.

D. Janet asked us where we were spending your holidays

k chép mạng thì làm sao mà làm dc

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

In the 1960s, The Beatles were probably the most famous pop group in the whole world. Since then, there have been a great many groups that have achieved enormous fame, so it is perhaps difficult now to imagine how sensational The Beatles were at that time. They were four boys from the north of England and none of them had any training in music. They started by performing and recording songs by black Americans and they had some success with these songs. Then they started writing their own songs and that was when they became really popular. The Beatles changed pop music. They were the first pop group to achieve great success from songs they had written themselves. After that it became common for groups and singers to write their own songs. The Beatles did not have a long career. Their first hit record was in 1963 and they split up in 1970. They stopped doing live performances in 1966 because it had become too dangerous for them – their fans were so excited that they surrounded them and tried to take their clothes as souvenirs! However, today some of their songs remain as famous as they were when they first came out. Throughout the world many people can sing part of a Beatles song if you ask them.

The Beatles stopped their live performances because

A. They had earned enough money

B. They did not want to work with each other

C. They spent more time writing their own songs

D. They were afraid of being hurt by fans.

Có ba bánh xe răng cưa A, B, C cùng chuyển động ăn khớp với nhau. Khi một bánh xe quay thì hai bánh xe còn lại cũng quay theo. Bánh xe A có 60 răng, bánh xe B có 40 răng, bánh xe C có 20 răng. Biết bán kính bánh xe C là 1cm. Hỏi:

a) Khi bánh xe C quay 60 vòng thì bánh xe B quay mấy vòng?

b) Khi bánh xe A quay 80 vòng thì bánh xe B quay mấy vòng?

c) Bán kính của các bánh xe A và B là bao nhiêu?

KLR của 800 kg/m³ dầu ăn thì có nghĩa là 1 m³ dầu ăn thì có khối lượng là 800 kg