What is the disadvantage of passwords as mentioned in Paragraph 1 、

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• 1In the last paragraph the author ____________.

  A.compares the behaviors of sleepers and hiders

  B.offers an explanation for the survival of sleepers and hiders

  C.analyzes how a changing environment affects SLOH-ers

  D.emphasizes what can be learned from SLOH-ers

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• 2According to the passage, red-list animals are more likely to ____________.

  A.be lazy

  B.be timid

  C.live long

  D.sleep less

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• 3The study of modem creatures ___________.

  A.is unrelated to the study of extinct animals

  B.finds evidence missing in the study of extinct animals

  C.has findings similar to those of the study of extinct animals

  D.reveals a different pattern from the study of extinct animals

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• 4The phrase "a leg up" in Paragraph 2 probably means __________.

  A.an instinct

  B.an advantage

  C.a fight

  D.a chance

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• 5On the list of extinct animals studied, there were _____________.

  A.fewer SLOH-ers than regular animals

  B.more SLOH-ers than expected

  C.as many SLOH-ers as regular animals

  D.hardly any SLOH-ers

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• 6One can make a password safer by _____________.

  A.inserting pictures between numbers

  B.avoiding the use of letters altogether

  C.setting up a firewall against computer hackers

  D.using complicated combinations of numbers and letters

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• 7"Passfaces" is a method to get access to a system through ___________.

  A.remembering a large number of faces

  B.selecting photographs of faces one likes

  C.recognizing a sequence of face pictures

  D.showing one's face in front of the computer

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• 8One advantage of "Passfaces" over a password is that ____________.

  A.it is easier to remember

  B.it is more complicated

  C.it takes less time to log in

  D.it allows one to write less

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• 9What does the author think of the password、

  A.R is an old system that needs improvement.

  B.It provides as much security as before.

  C.R should be abandoned by computer users.

  D.It has developed to an advanced stag

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• 10Which of the following might be a proper title for the chart、

  A.FedEx Freight Measurements and Methods

  B.FedEx Shipment Regulations in US and Other Countries

  C.FedEx International Freight Customer Service Guide

  D.FedEx Express Freight and Air Cargo Service Restrictions

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