Câu 1 (0,5 điểm): Tính bằng cách thuận tiện nhất biểu thức :

6,48 + 3,72 + 7,52 + 4,28 là :

A. (6,48 + 3,72) + (7,52 + 4,28)

B. (6,48 +7,52) + (3,72+ 4,28)

C. (6,48 + 4,28) + (3,72 +7,52 )

Câu 2 (0,5 điểm): Một số nếu tăng lên 3 lần rồi bớt đi 14,6 thì được kết quả là 30,4

Số đó là :

A. 47,4     B. 14 ;

C. 135     D. 15

II. Choose the correct answer to fill in the blank

          When life changes so fast, the family life will change, too. So what will a family be (31)…………… after a hundred years? We can’t have the correct answers. Parents will have (32)……………..babies. They can even choose their child’s hair and eye color. The mother will be busy but she will get help (33)……………….some friendly house robots. When the family go out together, they will travel on flying cars. These cars will be much faster and there will be no traffic jams (34)…………….each flying car can have its own way. There will be love and (35)……………between the family members

          31. A. enjoy                             B. like                            C. as                     D. so

          32. A. healthier              B. healthiest                            C. health               D. healthful

          33. A. with                     B. of                               C. at                     D. from

          34. A. so                        B. because                      C. although          D. but

          35. A. care                     B. careful                       C. careless            D. carefully

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