(C)        When it comes to great inventions, people tend to think of something complicated, fancy, or high-priced. However, not everygreat invention requires high-tech design skills. One example is the bottle lamp created by Alfredo Moser, a Brazilian mechanic.The bottle lamp is a simple __33__ and it doesn’t cost a penny to make. What it only takes is a two-liter recycled plastic bottle __34__ purified water and tiny bit of bleach. The bleach is added to prevent algae __35__ growing and keep the bottle clean. __36__ , the bottle can absorb and refract sunlight from the outside more efficiently. Next, to __37__ a bottle lamp in homes,one needs to make a hole in a roof with a drill and then from the bottom upwards, place the bottle into the hole. A bottle lamp likethis is expected to generate more or less 40- to 60-watt light __38__ how strong the sun is.         Alfredo Moser’s innovative invention is lighting up the world. Beyond his imagination, his idea spreads throughout the worldand __39__ in other countries, especially in poverty-stricken areas. For example, in the Philippines, a quarter of the populationsuffers great hardship and thus can’t __40__ electricity. There, the idea has really taken off, with bottle lamps now illuminatinghundreds of thousands of homes. More and more charity organizations are making efforts to carry out __41__ to help poorfamilies by adopting Moser’s idea, too. Moser’s lamp makes many people’s lives easier and __42__ is for sure that many morewill benefit from his simple yet great invention. 
【題組】33.
(A) bulb
(B) device
(C) response
(D) account