题目内容：
Since the earth looks like a ball, the sun can shine on only half of it at a time.
参考答案：
答案解析：
选择题：Since the earth looks like a ball, the sun can shine on only half of it at a ...
- 题目分类： 大学英语B级
- 题目类型：选择题
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Scientists think that there is no life on the Mars.
Scientists think that there is no life on the Mars.
Open the window and let the fresh air in.
Open the window and let the fresh air in.
新加坡在饮食方式和习惯上融合了马来人和华人的特色，形成了独特的“（）”。
新加坡在饮食方式和习惯上融合了马来人和华人的特色，形成了独特的“（）”。
Only on weekends, cars can not go into the Central Park.
Only on weekends, cars can not go into the Central Park.
开发新客户常见的方法有哪些？
开发新客户常见的方法有哪些？