[单项选择]One of the professor's greatest attributes is ______.
A. when he gives lectures
B. how in the manner that he lectures
C. the way to give lectures
D. his ability to lecture

[单项选择]One of the professor's greatest attributes is ______. ( )
A. when he gives lectures
B. how in the manner that he lectures
C. the way to give lectures
D. his ability to lecture

[单项选择]One of California's greatest problems is providing {{U}}adequate{{/U}} water to meet the needs of its expanding population.
A. sufficient
B. palatable
C. suitable
D. unpolluted

[单项选择]One of California' s greatest problems is providing ______ water to meet the needs of its expanding population.
A. adverse
B. adjacent
C. adequate
D. aesthetic

[单项选择]

Passage 1
One of the greatest mysteries in the study of Cetacea [aquatic mammals] has always been that the creatures found in the stomachs of toothed whales show no teeth marks. Now a University of California at Santa Cruz professor thinks he may have solved the enigma with what he calls the "big bang" theory of cetacean predation.
Ken Norris, natural history professor, believes that rather than use their teeth to attack their victims, toothed whales stun their prey with intense bursts of sound. He points out that all 68 species of odontocetes (a sub-order that includes dolphins) use sound to locate their victims, and suggests this ability may have evolved to the point where it could be used as a weapon.
Millions of years ago, the ancestors of whales had a narrow tapered jaw, streamlined for speed and bristling with long rows of sharp teeth. Today odontocetes are not adapted to surprising their prey or trapping it quickly. Most are
A. Sixty-eight species of odontocetes use sound to locate their victims
B. Toothed whales use sound as weapons
C. Whales and humans have vestigial structures
D. Whale teeth, once sharp, have become somewhat short and uneven

[单项选择]One of Shelley's greatest political lyrics is ______, which later became a rallying song of the British Communist Party.
A. Ode to the West Wind
B. Prometheus Unbound
C. Men of England
D. Ode on Melancholy

[单项选择]Professor Taylor' s talk has indicated that science has a very strong ______ on the everyday life of non-scientists as well as scientists.
A. motivation
B. perspective
C. impression
D. impact

[单项选择]Professor Taylor's talk has indicated that science has a very strong ______ on the everyday life of non-scientists as well as scientists.
A. motivation
B. perspective
C. impression
D. impact

[单项选择]Professor Jeffrey's lecture on the recycling of waste paper and other garbage will show ______ can still be improved.
A. that the municipal authorities have done
B. how those the municipal authorities have done
C. how what the municipal authorities have done
D. that how the municipal authorities have done

[单项选择]From Professor Barbara's experiment, we can learn that______.
A. people increase the number of calories they eat per day and gain weight
B. the "low fat" yogurt group ate less calories later than the other group
C. two groups ate the same amount of yogurt
D. people who eat low fat yogurt will not gain weight