在旧金山、纽约等地人们把华侨、华人集聚的地方称作“唐人街”，可见唐朝在人们的心目中的地位。唐玄宗统治前期，唐朝进入全盛时期，历史上称为（      ）

英国约翰•W•梅森在《冷战》一书中提出，如果把冷战时期重新定义为“长时期的和平”倒是颇为令人耳目一新的。文中作者对冷战重新定义的主要出发点是

微生物在生物圈中有着重要的作用，它在生物圈中可以充当（   ）

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    You are standing in the  1  and a voice says, "Put a little more salt to that soup." Yes, it's always nice to have   2  help you when you're cooking.   3  this voice is not from a person. Then  4 does it come from? Is it from a ghosts? No, this isn't a ghost kitchen-it's the kitchen of the future.

    Scientists are 5  to make everything in the kitchen  6  better. They are making a system (系统). It will help  7   cook a meal.

    The fridge of the smart kitchen has a scanner (扫描仪). It looks  8  the foods in the fridge. It will order more milk from the supermarket when there is no 9  in the fridge. It can do a lot of things. Even the knives and spoons will speak. For example, if your food is 10 , the knives and spoons will tell you not to eat it.