de thi olympic tieng anh lop 9 vong 4 nam 2013 2014

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

Chọn câu trả lời tốt nhất cho những câu hỏi dưới đây

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?

A 3 feet B 16 feet C 36 feet D 192 feet E 52 feet

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

A when at least one number is less than zero

B when at least one number equals zero

C when one number is greater than zero and the other two are less than zero

D when one number is less than zero and the other two are greater than zero

E None of them

Depth of Lake

3 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?

A 30 feet B 39 feet C 28 feet D 25 feet E 20 feet

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?

A The number of points scored both Monday and Tuesday were lower than average

B Monday’s points were higher than average and Tuesday’s points were lower than average

C Monday’s points were lower than average and Tuesday’s points were higher than average

D The number of points scored both Monday and Tuesday were higher than average

E None of them

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?

A 3:45 PM B 3:15 PM C 2:15 PM D 5:15 PM E 5:45 PM

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?

A 18 cm3 B 22 cm3 C 28 cm3 D 88 cm3 E 50 cm3

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

A a random sample of the students in the chess club

B a random sample of the students on the football team

C a random sample of the students on the official school roster

D random sample of the students in the library during fifth period

E None of them

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

A 8.64 × 105 B 0.864 × 105 C 86.4 × 103 D 8.64 × 10-5 E 864 × 105

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?

A beds and entertainment centers

B couches and tables and chairs

C entertainment centers and tables and chairs

D couches and entertainment centers

E None of them

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?

A t + 2g = 205, t + g = 120

B t + g = 205, t + 2g = 120

C t + g = 205, t + g = 120

D t + 2g = 205, t + 2g = 120

E t + 2g = 205, 2t + g = 120

Đáp án

Câu 1: C

Câu 2: D

Câu 3: C

Câu 4: B

Câu 5: B

Câu 6: B Câu 7: C Câu 8: A Câu 9: D Câu 10: A