【单选题】energy-saving light bulbs
A.
Don't leave it on standby.
B.
We can wash our clothes in cold water.
D.
That wastes 7000 litres of water in a year.
E.
We should close the door of the spare bedroom that nobody uses.
【单选题】关于胶原的功能,下列叙述中哪项是错误的
A.
哺乳动物皮下结缔组织的胶原具有多方向的抗压性
D.
胶原通过细胞表面受体介导与细胞内骨架相互作用,影响细胞的形态和运动
E.
刺激上皮细胞分化,维持上皮细胞生长,引导细胞迁移
【简答题】One of my China Dialogue colleagues in Beijing recently bought a Philips energy-saving light bulb to replace a standard one.He was happy with his choice.It may have cost 30 yuan (just under US$4.50) -...
【简答题】食品防腐剂分为 、 和生物型防腐剂三类。
【单选题】在Visual Foxpro中,取余运算和( )函数作用相同。
【判断题】I use energy-saving light bulbs.
【单选题】法所反映的意志内容不是统治阶级成员个人的意志的简单总和,而是统治阶级根本利益和共同利益的表现,这体现出意志内容的( )。