语法填空 阅读下面短文, 按照句子结构的语法性和上下文连贯的要求, 在空格处填入适当的词或使用括号中词语的正确形式填空. Snake dishes have become popular 1 recent years. Snake meat in various flavors(风味) is often seen in restaurant advertisements. Eating snake seems to be now in vogue(盛行), and 2 you haven't eaten snake yet, you are considered ' out of date'. But I wonder whether all the trends are worth 3 (follow). Some people may defend themselves 4 saying that snake meat is nutritious. But these people don't realize that many parasites (寄生虫), 5 (find) inside snakes, will do harm to our health. According to a survey, about 1,000 tons of snakes are eaten every year in China and sometimes as many as 10 tons of snakes 6 (serve) on dinner tables in Shenzhen in a single day! These figures warn us that if no 7 (act) is taken, the number of snakes will drop and that will make 8 increase in mice and worms population, 9 will result in a decrease (减产) of crops output. Who will see such tragedy happen? So let's start not to eat snakes any more because ' to protect the snake is to protect 10 .'