题目内容：
Schaefer successfully made a field experiment on rainmaking after Plannin__________.参考答案：
答案解析：
单选题：Schaefer successfully made a field experiment on rainmaking
- 题目分类：卫生类
- 题目类型：单选题
- 查看权限：VIP
Schaefer found a way of how to make ice crystals__________.
Schaefer found a way of how to make ice crystals__________.
Ryan， with the help of others， is fulfilling his dream of he
Ryan， with the help of others， is fulfilling his dream of help African people to
根据以上短文和选项，回答题Paragraph 2__________
根据以上短文和选项，回答题Paragraph 2__________
Recent studies have shown that the stature of male Americans
Recent studies have shown that the stature of male Americans has scarcely change
They voted to abolish the office of second vice-president.
They voted to abolish the office of second vice-president.