Ⅰ.单词拼写
1．Clean water is a kind of ____________(珍贵的)resource.
2．Police __________(射中)the murderer and he died.
3．I couldn't express my ____________(感激)with my words.
4．He fell down and became ____________(失去知觉)for hours.
5．A bomb exploded in the village，causing __________(恐慌)among people.
