问题 问答题 简答题

试述抛锚操作的基本要点?

答案

参考答案:(1)无论是退抛或进抛,都要使船身与风(流)略有交角,抛出上风(流)锚;

(2)抛锚时应严格控制余速,应在船转略有退势或微进(船速约0.5节左右)时下锚。

(3)掌握好松链速度,首次松链以不超过2倍水深为宜,待锚抓底链略有受力及时松链,如此逐渐松至预定长度;

(4)水深大于25m时,应用锚机将锚松至离海底5m~10m时,再用刹车抛锚;当水深超过50m时,则应用锚机将锚送到海底,再用刹车松链。

单项选择题 共用题干题
阅读理解

阅读理解。

     New York has taken the title of the world's top fashion capital from Milan. The annual survey suggest

that the top five fashion cities are facing competition from Asia and Australia. New York had been the top fashion city for five years, but Milan took the title in 2009. The survey was made by the Global Language Monitor, a US based organization. It tracks the frequency(频率) of words and phrases in the media, on

the Internet and throughout the blog. With the US economy recovering, New York once again took the

top title. Hong Kong took second place. It was followed by London, Paris and Los Angeles. The other

top 10 cities were Milan, Sydney, Miami, Barcelona and Madrid.

    "Because of the new economic situation, the global fashion centers have also changed a lot, "said Bekka Payack. the Manhattan-based fashion reporter for the Global Language Monitor. "The new list shows that global fashion centers will change now and then. Compared with the traditional fashion cities, some new ones are performing better and better. "She said that perhaps this is new trend, and it is the first sign that the

traditional top five fashion cities--New York, Paris, London, Milan, and Rome--do not control global

fashion any more.

    The biggest changes in the list are Hong Kong, Madrid and Melbourne. The Group said that the top

newcomers to the list include Amsterdam at number 17, Cape Town at 23, Johannesburg at 25 and

Vienna at 27.

    The following are the 10 top fashion cities of 2010 and the changes from 2009.

  1. New York(up 1)      2. Hong Kong(up 5)

  3. London(up 2)           4. Paris(down 1)

  5. Los Angeles(up 1)    6. Milan(down 5)

  7. Sydney(up 2)            8. Miami(up 5)

  9. Barcelona(up 5)       10. Madrid(up 11)

1. New York has regained the title of the world's top fashion capital mainly because __________.

A. the US economy has been recovering

B. Milan faced competition from other cities

C. few big cities took part in the competition

D. the survey was made by an American organization

2. Compared with the 2009 list, which of the following has the greatest change?

A. Hong Kong    

B. Milan   

C. Madrid

D. Barcelona

3. We can infer from the text that __________. 

A. New York has lost the top title several times

B. all the traditional fashion cities are in the 2010 list

C. economic situations influence global fashion centers

D. new fashion cities have performed better than traditional ones

4. The text is probably taken from a __________. 

A. science report    

B. fashion magazine

C. geography textbook

D. history book