tailieunhanh - Bài tập luyện thi Toefl (17)

Tham khảo tài liệu 'bài tập luyện thi toefl (17)', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | For more material and information please visit Tai Lieu Du Hoc at www. tailieuduhoc. org 1. The ponderosa ponderosa pine is of most of the timber used by forest-product firms in the Black Hills of South Dakata. A the source B as source C the source which D because the source 2. Computers that once took up entire rooms are now to put on desktops and into wristwatches. A small enough B smaller than C so small D as small as 3. According to some educators the goal of teaching is to help students learn what----to know to live a well-adjusted and successful life. A do they need B they need C they are needed D as they may need 4. The sapphire s transparency to ultraviolet and infrared radiation makes in optical instruments. A it is of use B it uses C it a useful D it useful 5. initial recognition while still quite young. A Most famous scientists achieved B That most famous scientists achieved C Most famous scientists who achieved D For most famous scientists to achieve For more material and information please visit Tai Lieu Du Hoc at www. tailieuduhoc. org 6. Mango trees densely covered with glossy leaves and bear small fragrant flowers grow rapidly and can attain heights of up to 90 feet. A whose B which are C are when D which 7. the Canadian composer Barbara Pentland wrote four symphonies three concertos and an opera among other works. A An artist who prolific B Is a prolific artist C Prolific an artist D A prolific artist 8. The Chisos Mountains in Big Bend National Park in Texas were created by volcanic eruptions that occurred . A the area in which dinosaurs roamed B when dinosaurs roamed the area C did dinosaurs roam the area D dinosaurs roaming the area 9. In bas-relief sculpture a design projects very slightly from its background some coins. A as on B because C the way that D similarly 10. Alaska found the first years of its statehood costly because it had to take over the expense of services previously by the federal government. A to provide B be provided C .

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