题目内容
The Department of Fisheries and Oceans has developed guidelines for whale watching in Johnstone Strait.where killer whales are found on a daily basis each summer.It is strongly recommended that vessel
operators follow these guidelines for all kinds of whales.
●Appmach whales from the side,not from the front or the back.
●Approach no closer than 100 metres,then stop the boat but keep the engine on.
●Keep noise levels down-no horns,whistles or racing of engines.
●Start your boat only after the whales are more than 100 metres from your yessel.
● Leave the area slowly , gradually moving faster when you are more than 300 metres from the whales.
●Approach and leave slowly , avoiding sudden changes in speed or direction.
●Avoid disturbing groups of resting whales.
●Keep at low speeds and remain in the same direction if travelling side by side with whales.
●When whales are travelling close to shore, avoid crowding them near the shore or coming between
the whales and the shore.
●Limit the time spent with any group of whales to less than 30 minutes at a time when within 100 to
200 metres of whales.
●If there is more than one vessel at the same observation spot,be sure to avoid any boat position that
would result in surrounding the whales.
●Work together by communicating with other vessels , and make sure that all operators are aware of
the whale watching guidelines.
B. Whale watchers.
C. Vessel operators.
D. Govemment officials.
B. increase speed gradually
C. keep its engine running slowly
D. remain at the back of the whales
B. surround the whales with other boats
C. travel closer and closer to the shore
D. take a good viewing position
B. 300 metres.
C. 200 metres.
D. 100 metres.
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