2.-Yuan Longping,a famous Chinese scientist,is now doing research on sea rice. -If farmers____ start planting rice in salty water,China's food supply will surely rise.( )
40.Last Tuesday,a little girl died after eating some fried chicken.Her father bought the chicken for her from a street seller in Fenzhuang Village,Fengtai,Beijing.After testing the girl,the doctor said she was poisoned(中毒)by nitrites(亞硝酸鹽).Some experts suggest that we should buy foods with QS signs.They are safer.After hearing about the accident,many people feel more worried about the food safety because there have been many food safety problems in our country these years.For example,poisonous (有毒的)rice,oil,milk and so on have been found out recently.People feel quite afraid.They want the government to do something to stop such poisonous food and drinks appearing againso that they can have safe and healthy food and drinks.