1.瑞士中学教师巴尔末成功地从光谱数据9/5,16/12,25/21,36/32,…中发现了规律,请你按这种规律写出第七个数据是_____.
2.先4个有理数3,4,-6,10.算24.
英语:
1.首字母填空.
China is f_____ for its food.People all over the world l_____ Chinese food very much.Simon(人名) who comes f____ England l____ fish cooked in Chinese way .He says fish is his f____,but he dislikes c_____ it himself.He h____ eating vegetables and he d____ fruit.If he wants to keep h_____,he has to c_____ his diet