单项选择题A．By trainB．She walks． C．By car． D．By bus．

单项选择题These are millennium celebrations taking place in 4 different places．Which one occurred first？

单项选择题Only one of the sets of six letter below can be rearranged into a six-letter word in the English language．Can you find that 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？