__________one race is more intelligent than another race has never been proven．

You have to write your composition based on the outline given below in Chinese： 1．信息安全问题在当下越来越重要； 2．信息泄密带来的危害； 3．如何做到信息安全?

请回答（85）题

• A.therefore
• B.however
• C.furthermore
• D.anyhow

请回答（83）题

• A.honest
• B.calm
• C.shy
• D.silent

请回答（84）题

• A.difficult
• B.easy
• C.obvious
• D.convenient

请回答（80）题

• A.then
• B.next
• C.finally
• D.perhaps

请回答（82）题

• A.never
• B.often
• C.seldom
• D.rarely

请回答（81）题

• A.best
• B.good
• C.better
• D.excellent

请回答（79）题

• A.listened to
• B.read
• C.attended
• D.wrote．

请回答（78）题

• A.the other
• B.another
• C.others
• D.the others

请回答（77）题

• A.most
• B.least
• C.somewhat
• D.greatly