C
Do’s and Don’ts in Whale(鯨) Watching
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(船只) operators follow these guidelines for all kinds of whales.
· Approach 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 vessel.
· 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 traveling side by side with whales.
· When whales are traveling 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.
小題1:64. For whom is this text written?
A．Tour guides.B．Whale watchers.
C．Vessel operators.D．Government officials.
小題2:65. When leaving the observation areas, the vessel should ______.
A．move close to the beachB．increase speed gradually
C．keep its engine running slowlyD．remain at the back of the whales
小題3:66. When going side by side with whales, the vessel should ______.
A．keep moving in the same directionB．surround the whales with other boats
C．travel closer and closer to the shoreD．take a good viewing position
小題4:67. What is the shortest safe distance from the whales?
A．400 metres.B．300 metres.C．200 metres.D．100 metres.

小題1:C
小題2:B
小題3:A
小題4:D

小題1:從第一段最后一句話可知：這些對(duì)各種各樣的鯨都必須遵守的操作規(guī)則被強(qiáng)烈地推薦給船只操作員。
小題2:從操作規(guī)則第四、五條可知：在一百米之外，才能啟動(dòng)船只；三百米之外，才逐漸加速。
小題3:從操作規(guī)則第八條可知：當(dāng)船只和鯨并排前進(jìn)時(shí)，保持低速且應(yīng)同一個(gè)方向前進(jìn)。
小題4:從操作規(guī)則第二條可知：靠近鯨不能低于一百米，然后停止，但要讓發(fā)動(dòng)機(jī)開(kāi)著。所以最近的安全觀察距離應(yīng)是100米。
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