港口与航道工程安全生产要求中，从事港口航道施工潜水及潜水作业，必须遵守《中华人民共和
题型：多项选择题
问题：
港口与航道工程安全生产要求中，从事港口航道施工潜水及潜水作业，必须遵守《中华人民共和国潜水条例》，应遵循（）、依法管理的原则，保障潜水人员的健康和安全。
A.组织严谨
B.预防为主
C.工作第一
D.进度第一
E.安全第一
题型：多项选择题
阅读理解。
Today, there is no list of "wonder" for modern world. Still, there are some buildings or landmarks that are
called "wonders". These landmarks are easily recognized by people everywhere. Here are some of them.
1. How long did the workers spend on building the Tai Mahal? About . [ ]
A. 9 years
B. 15 years
C. 18 years
D. 150 years
2. What could the Pyramid at Chichen Itza be used for? [ ]
A. Studying the sky.
B. Protecting the northern borders.
C. The king's wife.
D. Enjoying the opera.
3. Who built the Stature of Liberty? [ ]
A. The Americans.
B. The Englishmen.
C. The Frenchmen.
D. The Mayans.
4. What does the Sydney Opera House look like? [ ]
A. A sailing boat.
B. A big room.
C. A flying bird.
D. A wonderful palace.
5. How could it take you only three hours from Paris to London in 1995? [ ]
A. By taxi.
B. By underground.
C. By coach.
D. By high-speed train.