题目内容：

阅读下面短文, 根据语境、音标或所给单词的提示, 在每个空格内填入一个适当的词, 要求所填的词意义准确、形式正确, 使短文意思完整、行文连贯。

People like swimming in summer, even（即使）in the other three1..But you shouldn’t swim in a 2.（danger）place. A lot of people died（死亡）when they were having 3./fAn/in the water.

Some people are not 4./keafl They often think they swim well, and they may be5. in water .

Last summer, a few students 6.（go）swimming in the river. Unluckily（不幸的是）, three of them never came out of the river.

Summer is here again. If you go swimming, don't 7./foget/the three students. The 8.they were careless。

Don’t get close to the water when you are 9./'laun/, or when you see "No Swimming” sign. If your 10.these, swimming will be good for you.