函数f（x）=$\left\{\begin{array}{c}\sin \left(\mathrm{\pi }{\mathrm{x}}^2\right),-1<x<0\\ e^{x-1},x\ge 0\end{array}\right.$若f（1）+f（a）=2，则a的所有可能值为（　　）

目前全球大约有6．5万家跨国公司。它们大约控制着世界生产总值的30%、世界贸易的50%、技木研究开发及技术转移的80%，以及海外直接投资的90%。跨国公司在当今世界经济中具有重要作用是（    ）

①促进了各国基本经济制度的确立

②为国际贸易制定了一系列基本原则和协定

③推动了国际分工水平的提高

④促进了资金、技术、人力、商品等在全球范围内的流动

    The world is full of amazing things. Today, I'm going to talk about something amazing.

    We have lots of things to do every day, so many of us will be tired after a busy day. They all choose sleeping to have a rest. But do you know that sleeping can consume（消耗） many calories. The energy consumed is even more than watching TV. If you want to have a good health, I think you can't sleep too much.

    Do you like animals? There are a lot of surprising things they can do. Goldfish are a lovely kind of fish. Most goldfish have quite a short life — only 6 to 7 years. Once, the goldfish called Freb had a very long life. It lived up to 41 years. It was the oldest goldfish in the world. Now if people take good care of the goldfish, they can live more than 10 years. Animals are our friends. We should know more about them and give them a good home. Do you have any interesting stories about amazing things? If so, tell us. Let's share them together.

给词语找家

雾   蝶   霞   李   杨   蜂   霜。

①带有雨字头的字：____。

②带有虫字旁的字：____。

③含有“木”的字：____。

***曾用“惜秦皇汉武，略输文采；唐宗宋祖，稍逊风骚”来评价四位古代帝王。下列史实与“唐宗”有关的是（   ）