【简答题】CAN ANIMALS BE MADE TO WORK FOR US? Can animals be made to work for us? Some scientists think that one day animals may be trained to do a number of jobs that are now done by human beings. The...
【简答题】阅读理解。 Many animals do strange things before an earthquake (地震). This news ma be important. Earthquakes can kill people and knock down houses. The animals may help to save lives. Some animals make a lo...