回归分析(regression analysis)是确定两种或两种以上变数间相互依赖的定量关系的一种统计分
析方法。运用十分广泛,回归分析按照涉及的自变量的多少,可分为一元回归分析和多元回归分析:按照自变量和因变量之间的关系类型,可分为线性回归分析和非线性回归分析。()
此题为判断题(对,错)。
析方法。运用十分广泛,回归分析按照涉及的自变量的多少,可分为一元回归分析和多元回归分析:按照自变量和因变量之间的关系类型,可分为线性回归分析和非线性回归分析。()
此题为判断题(对,错)。
What information could be found from the black box on the Yemeni airliner?
A.Data for analyzing the cause of the crash.
B.The total number of passengers on board.
C.The scene of the crash and extent of the damage.
D.Homing signals sent by the pilot before the crash.
The word "regression" in the 1st paragraph is best replaced by
A.backward movement.
B.uncontrolled inclination.
C.rapid advancement.
D.unexpected restoration.
请在第__(47)__处填上正确答案。 查看材料
A.Natural sponges become cleaning aids.
B.We pollute the ocean when we use it as a garbage dump.
C.The area of the sea is becoming smaller anal smaller.
D.Along with salt, other minerals are left after evaporation.
E.We even use their bones for fertilizer.
F.Some of its contents may cause illness.
请在第__(50)__处填上正确答案。 查看材料
A.Natural sponges become cleaning aids.
B.We pollute the ocean when we use it as a garbage dump.
C.The area of the sea is becoming smaller anal smaller.
D.Along with salt, other minerals are left after evaporation.
E.We even use their bones for fertilizer.
F.Some of its contents may cause illness.
请在第__(49)__处填上正确答案。 查看材料
A.Natural sponges become cleaning aids.
B.We pollute the ocean when we use it as a garbage dump.
C.The area of the sea is becoming smaller anal smaller.
D.Along with salt, other minerals are left after evaporation.
E.We even use their bones for fertilizer.
F.Some of its contents may cause illness.
请在第__(48)__处填上正确答案。 查看材料
A.Natural sponges become cleaning aids.
B.We pollute the ocean when we use it as a garbage dump.
C.The area of the sea is becoming smaller anal smaller.
D.Along with salt, other minerals are left after evaporation.
E.We even use their bones for fertilizer.
F.Some of its contents may cause illness.
This passage is about___
A.the way people's eyes move in reading
B.eye movement and several faults in reading
C.some bad habits in reading
D.saccadic movement and regression
According to the text, the word" regression" in (Line 1, Para. 4) means ______.
A.progress
B.sense
C.regret
D.return
The word "regression" in the lst paragraph is best replaced by
[ A] backward movement.
[ B] uncontrolled inclination.
[ C] rapid advancement.
[ D] unexpected restoration.
This passage is about______.
A.the way people's eyes move in reading
B.eye movement and several faults in reading
C.some bad habits in reading
D.Saccadic movement and regression