题目内容：
Each of the tests costs ￡42,500.
参考答案：
答案解析：
单选题：Each of the tests costs ￡42,500.
- 题目分类：初级
- 题目类型：单选题
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road transport
road transport
Questions 6～10Who welcomes visitors and makes sure they go t
Questions 6～10Who welcomes visitors and makes sure they go to the right office?
Under CMR convention，the carrier is responsible for any dama
Under CMR convention，the carrier is responsible for any damage or delay．（ ）
佝偻病是婴幼儿缺钙的病症，维生素D可促进机体对钙的吸收，所以给病人补充足量的钙和维生素D，维生素D的主要作用是
佝偻病是婴幼儿缺钙的病症，维生素D可促进机体对钙的吸收，所以给病人补充足量的钙和维生素D，维生素D的主要作用是
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