一船的速度是否为安全航速，主要考虑：（） Ⅰ、能否采取适当而有效的行动 Ⅱ、能否在适
题型：单项选择题
问题：
一船的速度是否为安全航速，主要考虑：（）
Ⅰ、能否采取适当而有效的行动
Ⅱ、能否在适合当时环境和情况的距离内把船停住
Ⅲ、能否与他船构成碰撞危险
A.Ⅰ
B.Ⅱ
C.Ⅰ、Ⅱ
D.Ⅰ、Ⅱ、Ⅲ
题型：单项选择题
| 阅读理解。 | ||||||||||||||||||||||||||||||
Mascots (吉祥物) for the Olympic Games
| ||||||||||||||||||||||||||||||
| 1. From the above, we know the Olympic Games is held (被举行) every ____ years. | ||||||||||||||||||||||||||||||
[ ] | ||||||||||||||||||||||||||||||
| A. 3 B. 4 C. 5 D. 6 | ||||||||||||||||||||||||||||||
| 2. The Beijing Olympic Games has 2 more mascots than those for ____ Olympic Games. | ||||||||||||||||||||||||||||||
[ ] |
| A. Sydney B. Los Angeles C. Atlanta D. Munich |
| 3. The 20th Olympic Games was held in ____. |
[ ] |
| A. North America B. Europe C. Oceania D. Asia |
| 4. The 23rd and 26th Olympic Games were held in the same ____. |
[ ] |
| A. town B. city C. country D. province |
| 5. Which of the following information is NOT true? |
[ ] |
| A. The 1996 Olympic Games was held in America. B. The 27th Olympic Games was held in Oceania. C. Beijing is getting ready for the 29th Olympic Games. D. The mascot for Beijing 2008 Olympic Games is not only one. |