Đề thi Olympic Tiếng Anh lớp 9 vòng 4 năm 2013 - 2014

Câu 1:

The shadow cast by a one-foot ruler is 8 inches long. At the same time, the shadow cast by a pine tree is 24 feet long. What is the height, in feet, of the pine tree?

Câu 2:

Under what circumstances will the product of three numbers always be negative?

Câu 3:

Depth of Lake

The depth of a lake is measured at the same location and on the same day every year for a number of years. The table shows the measurements. If the pattern continued, what was the depth of the lake in 2002?

Câu 4:

Charlotte scores an average of 10 points per game. On Monday she scored 2 × 10 points. On Tuesday she scored 0.5 × 10 points. How do her points from Monday and Tuesday compare to her average?

Câu 5:

Ethan left Homer, Pennsylvania at 10:45 AM. He arrived in Los Angeles, California 5.5 hours later. What time was it when Ethan arrived in Los Angeles?

Câu 6:

Marny wants to approximate the amount of wax needed to make a crayon. The dimensions of the crayon are shown above. About how many cubic centimeters of wax are needed to make this crayon?

Câu 7:

Jeffrey wants to determine the favorite professional sport of the students in his high school. Which sample should Jeffrey use?

Câu 8:

The diameter of the sun is 864,000 miles. How can this value be expressed in scientific notation?

Câu 9:

A furniture store has a warehouse for storing furniture. The map shows how the warehouse is divided into separate storage areas for 4 different kinds of furniture. Which 2 storage areas have similar shapes?

Câu 10:

Kerry scored a total of 205 points last season by making a total of 120 baskets. Some of the baskets were 1-point free throws (t), and the rest were 2-point field goals (g). Which pair of equations models this situation?