题目

Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子。每空格限填一词)【小题1】Climb up to the _________ floor, and you can enjoy a better view. (eleven)【小题2】_________, Grace made up her mind to live abroad with her daughter. (final)【小题3】It is a very __________ book for language learners to improve writing skills. (use)【小题4】Don’t worry about your son. He is old enough to be independent and live by _________. (he)【小题5】The movie KungFu Panda II is sure to __________ a large number已知每个人的血清中含有乙型肝炎病毒的概率为3‰，混合100人的血清，则混合血清中有乙型肝炎病毒的概率约为（精确到小数点后四位）  ________