某电容器上标有“220V  300μF”，300μF=____F=____PF；家庭计算用电量时，常用的单位是“度”，1度=____千瓦•小时．

    A rainforest is an area ____ (cover) by tall trees with the total high rainfall spreading quite equally through the year. Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate.____the forest cover, these areas would reflect more heat into the atmosphere,____ (warm) the rest of the world. Losing the rainforests may also influence wind and rainfall patterns, potentially causing certain natural disasters all over the world.

    In the past hundred years, humans ____ (begin) destroying rainforests in search of three major resources: land for crops, wood for paper and other products, land for raising farm ____ (animal). This action affects the environment as a whole. For example, a lot of carbon dioxide in the air comes from burning the rainforests. People____ (obvious) have a need for the resources we gain from cutting trees____ we will suffer much more than we will benefit.

    Rainforests are often called the world's drug store. More than 25% of the medicines we use today come from plants in rainforests. However, fewer than 1% of rainforest plants have been examined for their____ (medicine) value. It is extremely likely ____ our best chance to cure diseases____ (lie) somewhere in the world's shrinking rainforests.

为了更好地开展2014年全民阅读活动，有关部门就如何为市民创造良好的阅读环境广泛征求意见，你班将举行一次英语主题班会来讨论这个话题。请你写一篇发言稿，提出自己的想法和建议。
要点提示：
阅读的好处：
你的建议（如：建更多小型图书馆，经常性地介绍好书等）；
. . . . . .
要求：
词数：80词左右开头，开头已给出，不计入总词数。
文中不能出现自己的名字和所在学校的名称。
Hello, my dear friends. As we all know, reading is very important to us.

科学实验要规范操作，下列初中科学实验操作你认为不正确的是（　　）