How will the donated money be used？ 查看材料
A. To build up a new children"s hospital.
B. To help sick children and their parents.
C. To improve research on heart disease.
D. To buy more toys for sick children.
数据管家各个模块的数据节点都不完全一样，所以相同的数据模块不是完全一样的。()
跨境电商面向全球市场，虽然市场规模大但受地域限制，增长速度相对缓慢。()
The text helps us to know more about teenagers‘ 查看材料
A. daytime activities
B. sleeping habits
C. mental problems
D. studying methods
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