单选题：Reviews of research indicate there are more differences in

题目内容：

Reviews of research indicate there are more differences in brain and cognitive development within the　same sex than between different sexes.

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答案解析：

Passage ThreeQuestions 23 to 25 are based on the passage yo

Passage ThreeQuestions 23 to 25 are based on the passage you have just heard.A

分类：英语六级题型：单选题

运输需求的波动性是指运输需求量在（　　）上呈现出的不均衡状态。A．线路分布 B．时间分布 C．地区分布 D．运输方式分布

分类：英语六级题型：单选题

What do businesses use social media for?A．Creating a good corporate image. B．An

分类：英语六级题型：单选题

运送速度是指旅客、货物在（　　）内平均每小时被运送的距离。A．车辆出车时间 B．车辆执勤时间 C．车辆运行时间 D．客货在途时间

分类：英语六级题型：单选题

Questions 12 to 15 are based on the conversation you have just heard.A．Talk abo

分类：英语六级题型：单选题