Directions: In this part there are 30 incomplete sentences, each with four suggested answers. Choose the one that best completes the sentence.

1. In our school, English and mathematics are compulsory while Western literature and second language are .

A. operational B. optional C. instructive D. functional

2. With the growth of the Internet, educational services provide the ability for anyone with the desire to learn to     the skills in a minimum amount of time.

A. Retain  B. gain C. achieve D. Acquire

3. Terry Mead's reputation was established with the publication of his first book in 1917 and     

was_____ by his many subsequent contributions to zoology.

A. evaluated B. projected C. heightened D. emphasized

4. The main road through Littlebury was blocked for three hours today after an accident ___two lorries.

A. involving B. including C. combining D. containing

5. That sound doesn't     __ in his language, so it's difficult for him to pronounce it.

A. happen B. occur C. have D. take place

6. Learning to        the meaning of dreams is a fascinating and highly rewarding experience, leading you on an inner journey through the hidden world of your subconscious mind.

A. enlighten B. interpret C. Illuminate D. enhance

7. Stressful environments lead to unhealthy behaviors such as poor eating habits, which____increase the risk of heart disease.

A. in tum B. in return C. by chance D. by turns

8. Life insurance is financial protection for dependents against loss     the bread-winner's death.

A. at the cost of B. on the verge of C. as a result of D. for the sake of

9. Dozens of scientific groups all over the world have been     the goal of a practical and economic way to use sunlight to split water molecules.

A. pursuing B. chasing C. reaching D. winning

10. Whether young or    in age, more and more people are eating foods that not only  provide nutrients for the body but also guard against the threat of diseases.

A. inferior B. junior  C. Superior D. mature