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）【1】Be careful with the ________. They may cause a fire.（match）【2】The reference book with _______ chapters will help you a lot in the examination.（ninth）【3】The smart sweeping robot can clean the floor by _________.（it）【4】Ben is interested in physics and wants to be an _________ in the future.（invent）【5】The city government has decided to ________ this street because of the heavy traffic.（wide）【6】My gran辽统治者采取“蕃汉分治“的制度，西夏的官制也采用汉制官职和党项官职两个系统，其根本原因是（    ）A．民族矛盾尖锐         B．阶级矛盾尖锐C．民族团结的需要       D．境内政治经济发展不平衡