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   A The Origins Of Cetaceans 鯨類動物起源 -問題(1)

Q1   In paragraph 1, what does the author say about the presence of a blowhole in cetaceans?

  ○ It clearly indicates that cetaceans are mammals.

  ○ It cannot conceal the fact that cetaceans are mammals.

  ○ It is the main difference between cetaceans and land-dwelling mammals.

  ○ It cannot yield clues about the origins of cetaceans.

Q2  Which of the following can be inferred from paragraph 1 about early sea otters?

  ○ It is not difficult to imagine what they looked like

  ○ There were great numbers of them.

  ○ They lived in the sea only.

  ○ They did not leave many foddil remains.

Q3   Paragraph 3: The word precious in the passage is closed in meaning to 

  ○ Exact

  ○ Scarce

  ○ Valuable

  ○ Initial

Q4   Pakicetus and modern cetaceans have similar

  ○ Hearing structures

  ○ Adaptations for diving

  ○ Skull shapes

  ○ Breeding locations

Q5   Paragraph 3: The word it in the passage refer to 

  ○ Pakicetus

  ○ Fish

  ○ Life 

  ○ ocean

Q6   Paragraph 4: The two expossed in the passage is closed in meaning to 

  ○ Explained

  ○ Visible

  ○ Identified

  ○ Located

Q7 The hind leg of Basilosaurus was a significant find because it showed that Basilosaurus

   ○ Lived later thab Ambulocetus natans

   ○ Lived at the same time as Pakicetus

   ○ Was able to swim well

   ○ Could not walked on land

 Q8 It can be infered that  Basilosaurus bred and gave birth in which of the following locations 

  ○ On land 

   ○ Both on land and at sea

   ○ In shallow water

   ○ In a marine environment