题目

-----Now many wild animals are in danger. -----If we don’t ________ to protect them, it will be hard for us to see them in the near future.A. take place B. take part C. take action D. take care 答案：【答案】C【解析】句意：——现在许多野生动物处于危险中。——如果我们没有采取行动保护它们，在不久的将来，我们将很难看见它们。take place发生，举行；take part参加；take action采取行动；take care小心。根据it will be hard for us to see them in the near future.可知不久的将来我们将很难看见它们，应是我们不袋子中装有2个黑球和4个白球，这些球的形状、大小、质地等完全相同．随机地从袋子中摸出一个白球的概率是    ．