题目内容：
I need you to fill out the top portion of the form first.
参考答案：
答案解析：
选择题：I need you to fill out the top portion of the form first.
- 题目分类： 大学英语B级
- 题目类型：选择题
- 查看权限：VIP
困扰我国的生态问题有哪些？
困扰我国的生态问题有哪些？
I will finish reading this book in a week.
I will finish reading this book in a week.
I took Mr. John to the village where I had spent my carefree childhood.
I took Mr. John to the village where I had spent my carefree childhood.
I used to live in the countryside.
I used to live in the countryside.
血清胆固醇水平升高可见于（）A．尿毒症B．营养不良C．肾病综合征D．无脂蛋白血症E．巨幼细胞贫血
血清胆固醇水平升高可见于（）A．尿毒症B．营养不良C．肾病综合征D．无脂蛋白血症E．巨幼细胞贫血