A．LO RIDM B．ETNMIU C．TUBLID D．MIRCELOnly one of the set……

单项选择题If the pyramid were flattened out would it look like A，B，C or D？

单项选择题If someone could take a sheet of paper 0．1mm thick，tear it in half，put the pieces on top of each other，tear these in half，then repeat the process until the paper had been torn 25 times，what would be the final height of the pile of paper？

单项选择题What number should replace the question mark？

单项选择题I'd love to help you look for all those things but I'm a bit pushed for time today．Why don't we split up and meet back in a couple of hours for a quick cuppa and then I can have a look at what you've bought．

单项选择题Our family was truly a matriarchy，because my grandmother had to raise her children and provide for them all by herself；my grandfather had died when his sons and daughter were quite young．