【简答题】简论加德纳的多层智力观及其对幼儿教育的启示。
【单选题】The parents-children relationship changes from the relative positive to the relative negative when ______.
A.
the children reach 7 or 8 years of age
B.
the children reach 13 or 14 years of age
C.
the parents begin to have too many household responsibilities
D.
the parents begin to feel there is too much burden in the house
【简答题】计算: (1)(-2a 3 b 2 ) 2 ÷a 3 b 2 ?b 2 (2) ( 2 ) 2 - (-4 ) 2 +4× 3 1 8 .
【简答题】化简求值: (1)(4a+3a 2 -3+3a 3 )-(-a+4a 3 ),其中a=-2 (2)3a 2 b-[2a 2 b-(2ab-a 2 b)-4a 2 ]-ab,其中a=-3,b=-2.
【单选题】Python 表达式 3|7 的运算结果是
【单选题】中国首款氢能源汽车 “ 格罗夫 ” 尊重地球、尊重趋势、尊重创新、尊重客户,奉行了()营销观念。
【单选题】下列括号中,错误3是( )
A.
a 2 -(3a-2b+4c)=a 2 -3a+2b-4c
B.
4a 2 +(-3a+2b)=4a 2 +3a-2b
C.
2x 2 -3(x-1)=2x 2 -3x+3
D.
-2(2x-y)-(-x 2 +y 2 )=-4x+2y+x 2 -y 2
【简答题】化简 (1)3a 2 -2a+4a 2 -7a; (2)8a-a 3 +a 2 +4a 3 -a 2 -7a-6; (3)2(2a-3b)+3(2b-3a); (4)(-2ab+3a)-(2a-b)+6ab; (5)a 2 -[-4ab+(ab-a 2 )]-2ab; (6) 1 2 a 2 -[ 1 2 (ab-a 2 )+4ab]- 1 2 ab.
【简答题】简论加德纳的多层智力观及其对幼儿教育的启示。