用正确的单词填空。

　　America was(1)________ because of the mistake(2)________ by one person－Christopher Columbus．He went in(3)________ for India(4)________ from the west of Europe instead of the east．He could not find India(5)________, instead he found America and(6)________ the native people there Indians．He always believed that he had(7)________ India．He thought that the peaks of Cuba were the Himalayas．This(8)________ how lost he was．

　　The credit for discovering India was taken by the Portuguese explorer Vasco Da Gama a little(9)________．

　　I sometimes(10)________ what would have been the(11)________ of India if Columbus had discovered India instead of America．Would the fate of Indians be the(12)________ as that of Red Indians? I guess that we will never know．

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，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

　　Many people believe that sugar is bad for their health; 　　1　　 say that sugar is the best source of energy．We also hear similar conflicting arguments about meat between vegetarians and meat-eaters．Who is right and what is your opinion? Are you easily influenced by one 　　2　　 of advice today and then by another one tomorrow?

　　Obviously, you might think that 　　3　　(go)to extremes is not the right way, for the importance of having a variety of food in one’s diet is quite clear today．Scientists have again and 　　4　　 warned us that 　　5　　 lack of certain kinds of food is dangerous, 　　6　　 for children, because 　　7　　 a balanced diet, their body can’t grow properly．Scientists have also told us, “Having too much of anything, including one’s favorite food, is equally dangerous．”

　　They say, for example, children 　　8　　 eat lots of cheeseburgers and milk shakes will increase the risk of heart attack．

　　Therefore, it seems that perhaps the most intelligent thing for us to do is not to eat first but to read first．　　9　　(science)information about the body’s needs for fats and proteins, for minerals and vitamins, can help us decide on the right choice and the right amount．And it can also help us tell facts 　　10　　 misleading opinions．