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A．underwater
B．fearless
C．unconscious
D．breathless
答案
更多“The Weddell seal of Antarctica can dive to a depth of about, 1,600 feet and remain submerg”相关的问题
第1题
Why does the author mention the Weddell Sea？
A．To show that this body of water has salinity variations.
B．To compare Antarctic waters with Arctic waters.
C．To give an example of cold-water salinity.
D．To point out the location of deep waters.
第2题
The Weddell Sea ______.
A．is a good example of increased salinity in freezing sea water
B．is much larger in area than the Arctic oceans
C．has a much lower salinity now than ever
D．has the denser water in its upper parts
第3题
The Weddell Sea _________.
A．is a good example of increased salinity in freezing sea water
B．is much larger in area than the Arctic oceans
C．has a much lower salinity now than ever
D．has the denser water in its upper parts
第4题
The purpose of mentioning the Weddell Sea is to ______.
A．give an example of cold water salinity
B．point out the location of deep waters
C．compare Antarctic waters with Arctic waters
D．indicate that this body of .water has salinity variations
第5题
The use of the seal "USDA Organic" is not required.
A．Y
B．N
C．NG
第6题
Seal off the street and question everyone ______ (close)
第7题
The seal hunter begs forgiveness of the old seal because ______ .
A．he is sorry to have wounded the old seal
B．he is afraid that the seals would kill him
C．he knows that the old seal is the king in the kingdom of the seals
D．the seals give him many pearls
第8题
The polar bear got nearer to the seal by ______.
A．sliding over the ice sheet
B．tiptoeing on the ice sheet
C．swimming under the ice sheet
D．crawling from behind the seal
