Parents are taught to understand important education is to their children’s future． A． that B． how C． such D
一条长为a的线段，夹在互相垂直的两个平面之间，它和这两个平面所成的角分别是45°和30°，由这条线段两端向两平面的交线引垂线，垂足间的距离是
He ___ to bed, for the light is out. A.must have gone B.must go C.can have gone D.can go
________ everyone else wouldn’t go to the mountain area, he went without a second thought. A．As long as B．While C．Where D．In spite of
人们用甘蔗、甜菜榨糖．糖分主要存在于细胞结构中的（ ） A．细胞膜 B．细胞核 C．液泡 D．细胞壁
20°W和160°E经线是东、西半球分界线。读“某日地球日照图”（左图）和“某卫星绕地球运动轨迹示意图”（右图），回答问题。 关于甲、乙、丙、
Hongbao, a red envelope with small amounts of money in, is a gift that is guaranteed to be 61 (warm) received, not just because of the cash, but also because of its 62 (tradition)
下列关于下丘脑的说法错误的是 A．对体温的恒定具有调节作用 B．有调节躯体运动的高级中枢 C．可合成和分泌促甲状腺激素释放激素
