1) Energy a) electricity b) nuclear power c) antibiotics d) vaccinations e) computer networks f) solar power 2) machines a) motorcycles b) nuclear power c) washing machine d) computer networks e) vacuum cleaner f) commercial airplanes 3) medicine/science a) communication satellites b) genetic engineering c) antibiotics d) computer networks e) vaccinations f) space travel 4) IT (information technology) a) computer networks b) washing machine c) motorcycle d) genetic engineering e) vacuum cleaner f) communication satelittes

pick

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？