哪个勘探阶段应重点解决圈闭的识别和圈闭要素的确定问题（）
A.大区概査
B.盆地普查
C.区域详查
D.圈闭预探
参考答案：D
句型转换。
1. Most young people find that watching a football match is exciting. (同义句)
Most young people find _______exciting _______ _______ a football match.
2. Our words made her face turn red. (被动句)
Her face _______ _______ _______ turn red by our words.
3. What other things would you like to buy? (同义句)
_______ _______ would you like to buy?
4. She has been an English teacher for three years. (同义句)
_______ _______ three years since she _______ an English teacher.
5. I hope I can visit Beijing for the Olympic Games this summer vacation. (同义句)
I hope _______ _______ Beijing for the Olympic Games this summer vacation.
压型钢板混凝土组合板主要由（）组成。
A.楼面层
B.组合板
C.主梁
D.次梁
E.钢梁
