Đề thi Olympic Tiếng Anh lớp 9 vòng 5 năm 2013 - 2014 tài liệu, giáo án, bài giảng , luận văn, luận án, đồ án, bài tập l...
Trang 1Đề thi Olympic Tiếng Anh lớp 9 vòng 5 năm 2013 - 2014
Chọn câu trả lời tốt nhất cho những câu hỏi dưới đây
1 A diagram is shown Which angle must be congruent to ∠AGB?
A ∠DGE B ∠EGA C ∠AGF D ∠CGD E None of them
2 The cost of renting a boat is $20 plus $2.50 per hour, where x is the number of hours of boat rental Millie wants to spend less than $50 on the boat rental Which inequality models this situation?
A 20x + 2.50 > 50
B 20x + 2.50 < 50
C 20 + 2.50x > 50
D 20 + 2.50x < 50
E 20 + 2.50x = 50
3 Iodine 131 is a radioactive substance with a half-life of 8 days With an initial quantity
of 2,400 grams, the chart above shows its decay over a period of days By extending the sequence, what is the total amount left after 56 days?
Trang 2A 9.375 grams B 18.75 grams C 37.5 grams D 75 grams E 55 grams
4 What is the distance between -4 and 7 on a number line?
5 A 6-foot man standing next to a flagpole casts an 8-foot shadow At the same time, the flagpole casts a shadow of 40 feet What is the height of the flagpole? (Round to the nearest whole number.)
A 30 feet B 36 feet C 53 feet D 64 feet E 77 feet
6 Diagonal Lane crosses Maple Court and Oak Street, which are parallel as shown in the figure above Which intersection angles must be congruent to ∠A?
A only ∠C and ∠G B ∠C, ∠E, and ∠G
C only ∠D and ∠H D ∠D, ∠E, and ∠H
E only ∠C
7 Paco’s baseball team traveled from Anchorage, Alaska, to Denver, Colorado, to play in
a tournament When it is 10:00 AM in Anchorage, it is 12:00 noon in Denver Paco’s
Trang 3baseball game started at 1:00 PM, Denver time, and lasted 3 hours What time was it in Anchorage when Paco’s baseball game ended?
A 10:00 AM B 2:00 PM C 3:00 PM D 4:00 PM E 5:00 PM
8 Which 3-dimensional shape can be formed from the net above?
A cube B pyramid C prism D cylinder E None of them
9 Two trapezoid-shaped tabletops are congruent to each other trapezoid FGHI ≌ trapezoid WXYZ Which side of trapezoid WXYZ must be congruent to GH ?
10 A model of a building is in the shape of a cube with a square pyramid on top Each edge of the cube is 3 inches, and the square pyramid is 2 inches high with a 3-inch-by-3-inch base What is the volume of the model in cubic inches?
Đáp án
Câu 1: A
Câu 2: D
Câu 3: B
Câu 4: D
Câu 5: A
Câu 6: D Câu 7: B Câu 8: C Câu 9: A Câu 10: B