【判断题】制冷剂净化过程所需时间的长短,取决于回收的制冷剂中水分等杂质的含量及净化装置的吸收(干燥)能力。
【判断题】制冷剂净化过程所需时间的长短,取决于回收的制冷剂中水分等杂质的含量及净化装置的吸收(干燥)能力。
【简答题】Task 1 match the word with its meaning. 1. outline 2. correlation 3. interview 4. interrupt 5. large-scale a. ask someone a series of questions. b. extensive in scope or scale c. say or do somet...
【简答题】Task 7 match each word with its meaning. 1. inhabitant 2. inaccurate 3. shine 4. fertile 5. forestry 6. prairie 7. landscape 8. colony a. a large area of flat, grassy land in North America. b. a coun...
【简答题】Read the paragraph above. Match each bold word to its meaning. 1 connected __________ 2 a very important task __________ 3 to put in er __________ 4 keeping the same ________