题目

Researchers in China and the United States have developed a new cataract(白内障)treatment with cells that has restored vision in babies in a trial and may eventually be used in adults. The treatment- by doctors and staff members at the University of California, San Diego School of Medicine and Sichuan and Sun Yat-sen universities in China-was published in March 9 edition of the scientific journal Nature. A cataract is a clouding of the normally clear lens(晶体)of an eye. Typical cataract operation involves the removal of the cloudy lens and the insertion of an artificial one. The阅读理解。阅读短文，选择正确的选项。 Good morning. Here's the weather report. It's sunny and hot in Beijing. It's about 38degrees. It's rainy in Dalian. People there should take umbrellas. It's windy and cold in Guangzhou. Please put on your warm clothes. It's snowy in Harbin. Thank you. 【1】What’s the weather like in Beijing?( )A.It's sunny and hot.B.It's rainy.C.It's windy and cold.D.It's snowy.【2】What’s the weather like in Dalian?( )A.It's sunny and hot.B.It's rainy.C.It's windy and cold.D.It's snowy.【3】What’s the weather like in Guangzhou ( )A.It's sunny and hot.B.It's rainy.C.It's windy and cold.D.It's snowy.【4】What’s the weather like in Harbin?( )A.It's sunny and hot.B.It's rainy.C.It's windy and cold.D.It's snowy.