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is .............
câu 9.Let ABCD be a trapezoid with bases AB, CD and O be the intersection of AC and BD. If the areas of triangle OAB, triangle OCD are 16cm2, 40cm2respectively and M is the midpoint of BD, then the area of the triangle AMD is .........cm2.
câu 10.Bottle A contains 15% syrup. Bottle B contains 40% syrup. When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first?
câu 11.Let ABCD.A'B'C'D' be a cube with AC' = √3cm. Find the total surface area of this cube.
câu 12.Let ABC be a triangle with AB = 3cm, AC = 7cm. The internal bisector of the angle BAC intersects BC at D. The line passing through D and parallel to AC cuts AB at E. Find the measure of DE.
câu 12.Given two numbers x, y such that (4y2 - 12y + 25)(4x2 + 6x + 4) = 28
câu 16.
How much is a bottle of milk?
A)How much a bottle of milk is there? B)How does a bottle of milk cost?
C)What is the price of a bottle of milk? D)How much milk is there in the bottle?
A)How much a bottle of milk is there? B)How does a bottle of milk cost?
C)What is the price of a bottle of milk? D)How much milk is there in the bottle?
87. According to the passage, Coca-Cola was first introduced in ____.
A. America B. China C. Europe D. Russia
88. According to the passage, the original drink made people feel good because it contained ____.
A. coca leaves B. cola nuts C. secret ingredients D. sugar
89. It is stated in the passage that Candler was interested in the product because he thought ____.
A. he could develop the original formula by adding soda
B. he would sell it and quickly became a millionaire
C. it was an useful medicine which made people feel good
D. Pemberton’s medicine was very famous and successful
90. The word “licence” in the passage is closest in meaning to ____.
A. certificate B. permission C. charter D ticket
91. The word “distinctive” in the passage is opposite in meaning to ____.
A. normal B. original C. ugly D unique
92. When were the Coca-Cola’s bottle shape and logo designed according to the passage?
A. in 1886 B. in 1916 C. in 1930 D. in 1986
93 The word “eliminated” in the passage probably means ____.
A. banned B. destroyed C. erased D. excluded
94. According to the passage, what is NOT true about the formula of Coca-Cola ?
A. It is probably the world’s most priceless secret.
B. It was really invented by the druggist. Asa Candler.
C. Its exact ingredients are well known to many people.
D. Its ingredient was changed from cocaine to caffeine.
87. According to the passage, Coca-Cola was first introduced in ____.
A. America B. China C. Europe D. Russia
88. According to the passage, the original drink made people feel good because it contained ____.
A. coca leaves B. cola nuts C. secret ingredients D. sugar
89. It is stated in the passage that Candler was interested in the product because he thought ____.
A. he could develop the original formula by adding soda
B. he would sell it and quickly became a millionaire
C. it was an useful medicine which made people feel good
D. Pemberton’s medicine was very famous and successful
90. The word “licence” in the passage is closest in meaning to ____.
A. certificate B. permission C. charter D ticket
91. The word “distinctive - khác biệt” in the passage is opposite - trái nghĩa in meaning to ____.
A. normal - bình thường B. original - nguyên bản C. ugly - xấu xí D unique - độc đáo
92. When were the Coca-Cola’s bottle shape and logo designed according to the passage?
A. in 1886 B. in 1916 C. in 1930 D. in 1986
93 The word “eliminated” in the passage probably means ____.
A. banned B. destroyed C. erased D. excluded
94. According to the passage, what is NOT true about the formula of Coca-Cola ?
A. It is probably the world’s most priceless secret.
B. It was really invented by the druggist. Asa Candler.
C. Its exact ingredients are well known to many people.
D. Its ingredient was changed from cocaine to caffeine.