【简答题】When I saw John in his room, he was busy (prepare) his lessons. 2. I'd like to take this opportunity (thank) all of you for coming to join us tonight. 3. My transistor radio isn’t working. It needs (r...
【判断题】液体的粘度随液体的压力和温度而变。对液压油液来说,压力增大时粘度增大,温度升高,粘度下降。
【简答题】Choose either the infinitive form or the –ing form of the verb in the brackets to complete each of the following sentences. (1)When I saw John in his room, he was busy (prepare) his lessons. (2)I’d li...
【简答题】1)When I saw John in his room, he was busy _________ (prepare) his lessons. 2)I’d like to take this opportunity _________ (thank) all of you for coming to join us tonight. 3)My transistor radio isn’t ...
【判断题】液体的粘度随液体的压力和温度而变。对液压油液来说,压力增大时粘度变小,温度升高,粘度下降。