This part consists of 15 sentences; in each sentence there is an underlined part that indicates an error. Below each sentence, there are 4 choices respectively marked by letters A, B, C and D. Choose the word or phrase that can replace the underlined part so that the error is corrected. There is only ONE right answer. Blacken the corresponding letter as required on your Machine-scoring ANSWER SHEET.
1. Unlike competitive running, race walkers must always keep some portion of their feet in contact with the ground.
A. run B. runner
C. runners D. running race
2. A promising note is a written agreement to pay a certain sum of money at some time future.
A. time futures B. futures
C. futures time D. future time
3. New York City surpassed the other Atlantic seaports in partly because it developed the best transportation links with the interior of the country.
A. part B. partial
C. partner D. parting
4. All root vegetables grow underground, and not all vegetables that grow underground are roots.
A. but B. or
C. as D. thus
5. Not much people realize that apples have been cultivated for over 3,000 years.
A. Not many B. Not enough
C. Without many D. No many
6. The eastern bluebird is considered the most attractive bird native of North America by many bird-watchers.
A. native B. native with
C. native by D. native to
7. All living creatures pass on inherited traits from one generation to other.
A. the other B. another
C. others D. other one
8. Furniture makers use glue to hold joints together and sometimes to reinforce it.
A. its B. fast
C. hard D. them
9. The hard, out surface of the tooth is called enamel.
A. outside B. appearance
C. outer D. hiding
10. The earliest form of artificial lighting was fire, which also provided warm and protection.
A. hot B. sunshine
C. warmth D. safe
11. All mammals have hair, but not always evident.
A. but it is not B. but it is
C. but they are not D. but they are
12. A professor of economic and history at Atlanta University, W.E.B. Du Bois, promoted full racial equality.
A. economy B. economics
C. economical D. economic
13. Machines that use hydraulic pressure including elevators, dentist chairs, and automobile brakes.
A. exclude B. excluding
C. include D. are included
14. The first recorded use of natural gas to light street lamps it was in the town of Frederick, New York, in 1825.
A. was B. is
C. it is D. were
15. Although the social sciences different a great deal from one another, they share a common interest in human relationship.
A. move B. differ
C. change D. varies
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