【判断题】应激源是指让个体产生应激反应的各种各样来自外界的情形。
【单选题】Which is not a type of iconicity?
B.
Iconicity of complexity
【简答题】已知一组数据x 1 , x 2 , x 3 , x 4 , x 5 的平均数为4,方差为 ,那么另一组数据 3x 1 -1, 3x 2 -1, 3x 3 -1, 3x 4 -1, 3x 5 -1的平均数与方差分别为_________ 、_________ .
【判断题】应激源是指让个体产生应激反应的各种各样来自外界和内部的情形。
【多选题】We introduced three main agriculture styles. They are ______.
A.
The agriculture of predatory style
D.
Biological Agriculture
【单选题】Which is not true of the following descriptions about agriculture?
A.
Agriculture strives minimizing human suffering
B.
Agriculture can provide mankind with necessary food
C.
Disease-resistant grains and vernalized seeds are made through the development of agriculture
D.
Agriculture helps modern man better their life conditions, as compared with their ancestors
【判断题】1 mm (毫米)等于1000 μm(微米)。
【单选题】Which of following is not a type of ADC?
C.
Recessive approximation ADC
【单选题】Which of these is not a type of linguistics?
【单选题】Which of these is not a type of linguistics?