1 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Many young people wants 1 (become) great athletes. They exercise and lift weights in the gym. But the fact is that they don’t become stronger, 2 makes them unhappy.
Therefore, some of them are considering 3 (take) pills, which they think will help them become 4 (strong) than before. However, the truth is that these pills usually have some unintended side 5 (effect). Some of them may even affect 6 (they) liver or heart. 7 fact, some great athletes such as Griffith Joyner, died very young because they 8 (take) some pills.
For the above reasons, I suggest that young people be 9 (care) not to take pills. 10 best way to become stronger is going to a gym to work out.