题目内容（请给出正确答案）

[主观题]

During daylight hours, birds______.A．wheel back and forth for nothingB．do not fly long dis

During daylight hours, birds______.

A．wheel back and forth for nothing

B．do not fly long distances

C．use sun for guidance

D．are quite likely to get lost

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更多“During daylight hours, birds__…”相关的问题

第1题

A vessel not under command shall display ______.A.two red lights at night and two black ba

A vessel not under command shall display ______.

A.two red lights at night and two black balls during daylight

B.two red lights at night and three black balls during daylight

C.three red lights at night and two black balls during daylight

D.three red lights at night and three black balls during daylight

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第2题

During daylight hours, birds __________A. fly aimlesslyB. rely on landmarksC. rely on the

During daylight hours, birds __________

A. fly aimlessly

B. rely on landmarks

C. rely on the sun for guidance

D. are more likely to get lost

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第3题

During daylight savings time the meridian used for determining the time is located farther

______.

A.west in west longitude and east in east longitude

B.east in west longitude and west in east longitude

C.west

D.east

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第4题

In accordance with SOLAS，the batteries that power interior lighting in inflatable liferaft

s can be made to last longer by ______.

A.unscrewing the bulb during the daylight

B.switching the light on only when necessary

C.taking no action as there is no way on saving power

D.taking no action as they shut off automatically in daylight

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第5题

In using Loran-C，skywave reception gives greater range but is ______．A.only accurate durin

In using Loran-C，skywave reception gives greater range but is ______．

A.only accurate during daylight hours

B.much less accurate

C.only accurate at twilight

D.more accurate than using ground waves

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第6题

While on watch at sea you must maintain a proper lookout at all times. On a 700-foot cargo

vessel being hand-steered during daylight hours in good visibility and clear of any navigational hazards，the lookout may be ______.

A.the helmsman

B.the mate on watch

C.Either A or B

D.Neither A nor B

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第7题

While on watch at sea you must maintain a proper lookout at all times. You are on a 200-fo

ot cargo vessel with an unobstructed view astern from the steering position. The vessel is being hand-steered during daylight hours in good visibility and clear of any navigational hazards. The lookout may be ______.

A.the helmsman

B.the officer on watch

C.either A or B

D.neither A nor B

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第8题

A passenger vessel is underway. When may passengers visit the pilothouse？A.Passengers are

A passenger vessel is underway. When may passengers visit the pilothouse？

A.Passengers are excluded from the pilothouse while underway

B.Passengers are permitted in the pilothouse during daylight hours only

C.Passengers are permitted to visit the pilothouse when authorized by the Master and officer of the watch

D.Passengers are permitted in the pilothouse when they are escorted by a ship's officer

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第9题

It was during the morning rush hour（）the accident happened

A.when

B.that

C.before

D.while

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