TOEFL ITP Structure and Reading Comprehension

7. The author mentions a "suction pump" in line 17 to indicate a funtion of the

6. Which of the following statement is true of the ball in ballpoint pen?

3. It can be inferred from the passage that there was interest in designing a new type of pen because the old ones

8. The word "which" in line 19 refers to

9. What was the purporse of small hole mentioned in line 20?

10. Until recently one limitation of ballpoint pens was

4. The word "expire" in line 8 is closest in meaning to

2. The word "housing" in line 3 is closest in meaning to

5. It can be inferred that the ballpoint pen first gained popularity among

1. The word "it" in line 2 refers to