题目

America is a mobile society. Friendships between Americans can be close and real, yet disappear soon if situations change. Neither side feels hurt by this. Both may exchange Christmas greetings for a year or two, perhaps a few letters for a while—then no more. If the same two people meet again by chance, even years later, they pick up the friendship. This can be quite difficult for us Chinese to understand, because friendships between us flower more slowly but then may become lifelong feelings, extending (延伸) sometimes deeply into both families.Americans are ready to receive us foreigner阅读填空（共1小题）阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。Snake dishes have become popular _1.___ recent years．Snake meat in various flavors (风味) is often seen in restaurant ads．Eating snake seems to be now in vogue(盛行), and if you haven’t eaten snake yet, you _2.____(consider) “out of date”．But I wonder__3.____ all the trends are worth following.Some people may defend themselves _4._____ saying that snake meat is nutritious．But these people don’t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.___ do harm to our health, are found inside snakes.According _6.____ a survey, about 1000 tons of snakes are eaten every year in China and sometimes as 7.____ as 10 tons of snakes are served on dinner tables in Shenzhen in a single day!These figures warns us that if no action is taken, __8.____ number of snakes will drop and make an increase in mice and worms population, which will __9._____ in a decrease(减产) of crop 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.____.”