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【单选题】
( )转动副相连的平面四杆机构，称为铰链四连杆机构。A.
四个
B.
三个
C.
二个
D.
一个
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【单选题】2012年5月，中央电视台“心连心”艺术团在吉首慰问演出，此次演出有1800多演员参加，数据1800用科学记数表示为（ ）
A.
0.18×10 4
B.
1.8×10 3
C.
18×10 2
D.
1.8×10 -3 9
【单选题】A system administrator is trying to troubleshoot company wide email problems that may be related to DNS. Which of the following network tools would be MOST useful to determine if it is a DNS issue？（）
A.
netstat
B.
tracert
C.
nslookup
D.
ping
【简答题】Crew Resource Management (CRM) CRM training covers a wide range of knowledge, skills and attitudes including communications, situational awareness, problem solving, decision , and teamwork, toge...
【简答题】填上合适的单位。（十、百、千、万） （1）玉华小学二年级有3个班，约有一（ ）名学生。 （2）到广场观看“心连心”艺术团表演的观众约有三（ ）人。 （3）在体育场观看国奥队和日本队足球比赛的观众约有两（ ）人。
【简答题】CRM training covers a wide range of knowledge, skills and attitudes including communications, situational awareness, problem solving, decision , and teamwork; together with all the attendant sub...
【简答题】A ________ is a political system in which government leaders are elected by the wide participation of the people or by their representatives.
【单选题】在纪录片：《跨湖桥——未了的迷局》中，考古学者所挖掘的独木舟是采用火焦法进行制作，在加工独木舟之前先确定一个大致的形状，其中需要保留的部分用（）进行保护，需要剔除的部分用火进行烤烧，再用石器刮除。
A.
沙土
B.
湿泥
C.
动物皮毛
【简答题】CRM training covers a wide range of knowledge, skills and attitudes including communications, situational awareness, problem solving, decision , and teamwork; together with all the attendant sub...
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