单词拼写（共10小题；每小题0.5分，满分5分）
小题1:We have our bad times but on the whole we’re f____________ happy.
小题2:His health is improving day by day. It is quite a____________ that the medicine has a good effect on his disease.
小题3:He has talents by which he might d____________ himself.
小题4:All these trees are over 800 years old, some d____________ back to 1,000 years ago.
小题5: Since the famine broke out, the number of people dying of s____________ has been increasing.
小题6: The attack by terrorists has been ____________(谴责) by the entire world.
小题7:We must learn to ____________(调整) to the quick pace of life in modern society.
小题8:Why ____________ (操心，烦扰) to go abroad to study when there are so many good universities at home?
小题9:The ____________ (植物学的) analyses have showed us that it used to be a lake.
小题10:This is a primitive necklace and it is so well ____________ (保存).