【简答题】阅读短文,选择合适的内容填空。 Mrs Brown was an Australian woman. She ___l___ in a small town near a big farm. One Friday afternoon, after she finished her___ 2____,she____3____to her farm. There____4___ many cows,...
【简答题】There are various suggestions why women tend to approximate more closely to the standard language than men do. What do you consider to be relevant factors? Why?
【单选题】Dalton wondered why the heavier and lighter gases in the atmosphere did not separate as oil and water do. He finally concluded that the constituent【C1】______must exist in the form. of 【C2】______partic...