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国开电大22春学期离散数学（本）形考任务3图论部分概念及性质答案
题目顺序是随机的，使用查找功能（Ctrl+F）进行搜索 选择题 题目：设P：我将去打球，Q：我有时间．命题“我将去打球，仅当我有时间时”符号化为( )． 题目：设命题公式G：G: ┐p→(Q∧R)，则使...
国开电大22春学期离散数学（本）形考任务2图论部分概念及性质答案
题目顺序是随机的，使用查找功能（Ctrl+F）进行搜索零号电大 www.botiku.com 单选题 题目：设图G＝，v∈V，则下列结论成立的是 ( ) ． 题目：设无向图G的邻接矩阵为 ，则G的边数为( )． 题目：...
国开电大22春学期离散数学（本）形考任务1-集合论部分概念及性质答案
题目顺序是随机的，使用查找功能（Ctrl+F）进行搜索零号电大 www.botiku.com 单选题 题目：若集合A＝{ a，{a}，{1，2}}，则下列表述正确的是（ ）． 题目：若集合A={1，2}，B={1，2，{1，2}}，...
国开电大英语Ⅱ(1) 开放英语3 unit10答案
Reading Passage1 '题目1：In the second paragraph., the word “endorsing” means _________. : supporting ; disapproving (不同意) ; arguing against ; giving up ' '题目2：What does t...
国开电大英语Ⅱ(1) 开放英语3 unit9答案
Reading Passage1 '题目1：The ancient Greeks held the first Olympic Games in ___________. : 776 BC ; 617 BC ; 1908 ; 1936' '题目2：The ancient Olympic Games were held to honor ___...
国开电大英语Ⅱ(1) 开放英语3 unit18答案
'题目：18. First you should switch the machine ___ before you stop your work. : on ; off ; up' '题目：2. Many are finding it difficult to make ___ meet, especially whose with young...
国开电大英语Ⅱ(1) 开放英语3 unit12答案
'As he grows old his health __. : drops ; decreases ; declines' 'Asia is the biggest __ on earth. : place ; land ; continent' 'He always has a lot of business work __. : on the mov...
国开电大英语Ⅱ(1) 开放英语3 unit6答案
'__ tried to take action to stop it. : The authority ; The authorities ; Authorities' '__ you involved in the matter? : Have ; Are ; Do' 'All the airports in the country are workin...