第7题: [单项选择]{{B}}Passage One
Questions 26 to 29 are based on the passage you have just heard.{{/B}} A. Count and calculate money. B. Read and write. C. Alert moving objects. D. Hunt and farm. 参考答案:D 答案解析:[听力原文]
What did people need to do most in the earliest time
A. sets up B. is set up C. be set up D. set up 参考答案:C 答案解析:[考点] 虚拟语气 在表示要求的动词：require，request，demand，insist，desire，maintain；表示建议的动词： propose，suggest，urge，advi
