選材規(guī)范、標(biāo)準(zhǔn)演練；循序漸進(jìn)、梯度提升；題量豐富、有效提高；技巧同步、一語(yǔ)中的；縮略速記，全面覆蓋。 According to a 1._______ definition, a digital camera is "a camera that produces digital 2._______ that can be stored in a computer, 3._______ on a screen and printed". Years ago people used to 4._______ two different 5._______ in order to take pictures and make videos. The creation og digital cameras was 6._______ mainly by two factors. First, need to 7._______ space. Second, make it more comfortable for people to do both things with higher 8._______ results. The multi-functionalism of digital cameras and the 9._______ of several devices in one make it a popular 10._______ for a modern man. For years a digital camera has been 11._______ for many families. However, the 12._______ of digital cameras and various prices nowadays make it possible for almost every 13._______ family to buy a digital camera. With increasingly 14._______ competiton, the digital camera 15._______ satisfy customers with lower prices but best quality standards. <注意>填橫線處的單詞，一行一個(gè)。