【简答题】According to some environmentalist, the oil companies [A] are further polluting the air by using more oil than clean energy. [B] are not really concerned with solving the problem of pollution. [C] are...
【简答题】Jenny:Look! Three people are over there. One is in the red car. and the other two are behind the car. Who is that man? Tim:Which man? Jenny:The man in the red car. Tim:Oh, that is my father. Jenny:Who...
【单选题】“If no one the rubbish,” an environmentalist pointed out, “the street would soon become dirty, the number of rats would increase, and the disease would spread.”