1. an area of ground where dead people are buried— ______
2. an action or statement telling someone of a possible problem or danger— ______
3. an imaginary line around the earth at an equal distance from the North and South Poles— ______
4. Seeing a c ______ of smoke rising from the house, I knew immediately that something bad had happened.
5. The earthquake and the disaster it caused in Sri Lanka have attracted w ______ attention.
6. Beijing and Tokyo are on the same l______.
7. Most of us have experienced a t ______ in summer.
8. The Gulf Stream is a warm ocean ______ (洋流) which starts in the Gulf of Mexico.
9. His village was ______ (淹没) in the heavy rain, so he moved to his friend’s house.
10. They bought much beautiful ______ (家具) from the supermarket last Sunday.
11. His glasses were _______ (埋藏) under a pile of papers.
12. The _______ (飓风) threw their motor boat upon the rocks.
13. We have offices in over 56 countries _______ (全世界的).
14. She has two children from a _______ (以前的) marriage.
15. These chemicals have been found to cause serious environmental _______ (损害).