【简答题】如何进行清洁生产?其关键和核心是什么 ?
【判断题】如果广告宣传产品已属于成熟期,那么广告目标应为刺激更多使用率。
【简答题】沼气是一种清洁能源。你知道沼气是如何生产的吗?
【简答题】三、单词拼写 1. The young man stole into the flat with the i________ of getting some food. 2. After a week of confusion, the order of the town began to return to n________. 3. After the long holiday, his pr...
【简答题】判断对错。 请用T:对; F:错填空。 1. The girl is 17 years old and the man is 25 years old. ( ) 2. The girl had hundreds of friends all over the world. ( ) 3. The man's circle of friends is quite big. ( ) 4. T...