Which of the d_____do you think is more serious between the ytpoon and the tsunami?

问题描述:

Which of the d_____do you think is more serious between the ytpoon and the tsunami?

disasters,灾难、灾害.你认为在台风和海啸两种灾难中,哪一个更严重?
句子中提到两种灾难,前面又有of,所以用复数.