ges，including keeping the solar cells from overhea-ting，says Schwartz．"You have to take care of heat dissipation(散发)because you're now concen-trating a lot of energy in one place，"he says．According to the company's patent，Solaren's solarcells will be connected to radiators to help keep them cool．

　　Though Boerman says the company believes it can make space-based solar power work，it is notexpecting to crowd out other forms of renewable energy．Laws in California and other states requireincreasing use of renewable energy in coming years，he points out．"To meet those needs，we're go-ing to need all types of renewable energy sources，"he says．

　　16．Solar-power satellites will use radio waves to beam energy down from space．

　　A．Right

　　B．Wrong

　　C．Not mentioned

　　17．Solaren is going to design 200 solar-power satellites．

　　A．Right

　　B．Wrong

　　C．Not mentioned

　　18．Space-based solar cells could collect solar power only when skies are clear．

　　A．Right

　　B．Wrong

　　C．Not mentioned

　　19．One advantage of space-based solar power system is that it is economical．

　　A．Right

　　B．Wrong

　　C．Not mentioned

　　20．Inflatable minors are used to reduce the space-based solar power system．

　　A．Right

　　B．Wrong

　　C．Not mentioned

　　21．Space-based solar power will rule out other forms of renewable energy sources．

　　A．Right

　　B．Wrong

　　C．Not mentioned

　　22．Many countries will grant permission for the use of spaced-based solar power soon．

　　A．Right

　　B．Wrong

　　C．Not mentioned

　　第3部分：概括大意与完成句子(第23～30题，每题1分，共8分)

　　下面的短文后有2项测试任务：

　　(1)第23～26题要求从所给的6个选项中为第2-5段每段选择1个最佳标题；

　　(2)第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项。

　　Natural Gas

　　1 Natural gas is produced from reservoirs deep beneath the earth's surface．It is a fossil fuel

　　(矿物质燃料