Tides influence the depth of the sea water.

(1) When is the depth of the sea water highest from 012?

[  ]

A3

B6

C12

(2) What is the depth of the sea water at Point A?

[  ]

A6 meters.

B5 meters.

C4 meters.

(3) The sea water at 7 is ________ than that at 12.

[  ]

Adeeper

Bshallower(淺)

Chigher

(4) What's the margin(差距)between the deepest and shallowest sea water?

[  ]

A3 meters

B4 meters

C5 meters

(5) The depth of the sea water is the same when it's ________ and ________.

[  ]

A0, 5

B1, 5

C4, 11

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A Parrot's Answer

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