70 The ships’ generator broke down, and the pumps had to be operated ________ instead of mechanically.

　　A) manually B) artificially

　　C) automatically D) synthetically

　　Part III Vocabulary and Structure (20 minutes)

　　Directions: There are 3.0. incomplete sentences in this part. For each sentence there are four choices marked A), B), C) and D). Choose the ONE that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the center.

　　41. You would be ______ a risk to let your child go to school by himself.

　　A) omitting B) attaching

　　C) affording D) running

　　42. He is always here; it’s ______ you’ve never met him.

　　A) unique B) strange

　　C) rare D) peculiar

　　43. There has been a great increase in retail sales, ______?

　　A) does there B) isn’t there

　　C) hasn’t there D) isn’t it

　　44. We’d like to ______ a table for five for dinner this evening.

　　A) preserve B) retain

　　C) reserve D) sustain

　　45 Although a teenager, Fred could resist ______ what to do and what not to do.

　　A) being told B) telling

　　C) to be told D) to tell

　　46. The European Union countries were once worried that they would not have ______ supplies of petroleum.

　　A) proficient B) efficient

　　C) potential D) sufficient

　　47. In fact, Peter would rather have left for San Francisco than ______ in New York.

　　A) to stay B) stayed

　　C) staying D) having stayed

　　48. He soon received promotion, for his superiors realized that he was a man of considerable

　　A) ability B) future

　　C) possibility D) opportunity

　　49. Britain ahs the highest ______ of road traffic in the world — over 60 cars for every mile of road.

　　A) popularity B) density

　　C) intensity D) prosperity

　　50. How is it ______ your roommate’s request and yours are identical?

　　A) if B) so

　　C) what D) that