378. He looked incredulous(不轻信的) on hearing the news. He seemed to think it _____.

　A. incompatible B. incredible C. inclusive D indifferent

377. How did it _____ that the two men arrived to address the same meeting at the same time.

　A. fall out B. take place C. get around D. come through

376. The authorities declared that because of the war petrol was _____ and had to be rationed (定量供应).

　A. inadequate B. rare C. lacked D. scarce

375. His name was on the _____ of my tongue, but I just couldn't recall it.

　A. end B. point C. edge D. tip

374. Feudal landlords, and imperialists are in no way more _____ than wolves.

　A. reasonable B. regardless C. ridiculous D. rational

373. She was putting on her watch when the _____ broke and it fell to the ground.

　A. belt B. strap C. tie D. string

372. Psychological studies show that some people are quick-tempered _____.

　A. at heart B. on purpose C. in person D. by nature

371. The _____ stuck on the outside of the envelope said "By Air".

　A. label B. ticket C. signal D. sign

370. It was the largest experiment we had ever had; it _____ six hours.

　A. ended B. finished C. prolonged D. lasted

369. I have been looking for this book for months, and _____ I have found it.

　A. at least B. in no time C. at last D. at present