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ut D. Hold off 5. What he saw made his head ________ and his heart thump harder, but he didn’t hesitate. A. to swim B. swimming C. swim D. swam 6. A cook will be immediately fired if he is found ________ in the kitchen. A. smoke B. smoking C. to smoke D. smoked 7. Though the girl had been suffering from the blood disease, she acted as if nothing ________ to her while facing her friends and relations. A. happened B. would happen C. was happened D. had happened 8. — Hi, this way, please. — OK, I sometimes have no sense of ________ when I arrive at the crossroads. A. position B. direction C. situation D. condition 9. As most of their houses were badly damaged after the earthquake, many people had to be________ in a stadium. A. put away B. put up C. put out D. put off 10. The children went home from the grammar school, their lessons________for the day. A. finishing B. finished C. had finished D. were finished 能力提升 閱讀理解 Harvard researchers have created a tough, low173。cost, biodegradable(可生物降解的 ) material inspired by insects’ hard outer material’s inventors say it has a number of possible uses and someday could provide a more environmentally friendly alternative to material, made from shrimp(蝦 ) shells and proteins produced from silk, is called “shrilk” . It is t