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【单选题】
在EXCEL中,表示求“ ”的式子是( )。(其中“21”表示的21弧度)A.
tan21
B.
=tan(21)
C.
=arctan(21)
D.
=atan(21)
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举一反三
【简答题】______refers to ties and connections which exist within texts. They are also called formal links between sentences and between clauses.
【单选题】随机区组设计的方差分析中，必然有
A.
SS配伍＜SS处理
B.
MS误差＜MS处理
C.
MS总＝MS配伍＋MS误差＋MS处理
D.
SS总＞SS配伍＋SS误差＋SS处理
E.
SS总＝SS配伍＋SS误差＋SS处理
【简答题】请完成第一章课后习题第1、2题,写在自备作业纸上,写好班级学号姓名并拍照上传。
【简答题】Which two educational systems exist at present?The ______ system and the quality-oriented system.
【简答题】当前两种主要的逻辑门电路是_______ 和 ____________ 。
【简答题】GC-MS分析中，GC部分可以看作为MS的______，MS部分可以看作是GC的______。
【单选题】Which of the following statements is TRUE?
A.
There does exist the 'heritability' of psychometric intelce.
B.
It's difficult to predict someone's score on an intelce test.
C.
The IQs of identical twins are the same as the IQs of fraternal twins.
D.
The IQs of biologically related people live closer in the later years of life.
【单选题】Two system of weights and measures exist in the U. S. today: the U. S. Customary System and the International System of Units (IS, after the initials of International System). IS, commonly referred to...
A.
the U. S. Customary System and the metric system
B.
the International System and the metric system
C.
the Imperial System and the metric system
D.
the Customary System and the Imperial system
【判断题】The outputs of a project are the things which exist after the project is completed but which didn't exist before.
A.
正确
B.
错误
【单选题】Which of the following is NOT mentioned in the text?
A.
Controversies exist concerning the traffic in Atlanta.
B.
The federal funds were lost under the Clean Air Act.
C.
Atlanta must abandon buses and build more highways.
D.
The county governments should learn to be cooperative.
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