单选题：The passage is mainly about the early Chicago's ______.

题目分类：英语
题目类型：单选题
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题目内容：

The passage is mainly about the early Chicago's ______. A．popular life styles and their influences
B．environmental disasters and their causes
C．engineering problems and their solutions
D．successful businessmen and their achievements

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30.—Dr. Jackson is not in his office at the moment.—All rig

30.—Dr. Jackson is not in his office at the moment.—All right. I____ him later

分类：英语题型：单选题

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What is the probable relationship between the two speakers?

What is the probable relationship between the two speakers?A．Teacher and student

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Where will the two speakers meet before doing exercise this

Where will the two speakers meet before doing exercise this Friday?A．At the park

分类：英语题型：单选题

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六年级开展跳高和跳远竞赛，已知参加竞赛的人数占全年级人数的2/5，参加跳远的占全体参加竞赛人数的2/5，参加跳高的占全体

六年级开展跳高和跳远竞赛，已知参加竞赛的人数占全年级人数的2/5，参加跳远的占全体参加竞赛人数的2/5，参加跳高的占全体参加竞赛人数的3/4，两项都参加的有12

分类：英语题型：单选题

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对39种食物中是否含有甲、乙、丙三种维生素进行调查，结果如下：含甲的有17种，含乙的有18种．含丙的有15种，含甲、乙的

对39种食物中是否含有甲、乙、丙三种维生素进行调查，结果如下：含甲的有17种，含乙的有18种．含丙的有15种，含甲、乙的有7种，含甲、丙的有6种，含乙、丙的有9

分类：英语题型：单选题

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