下列有关甲苯的实验事实中，能说明侧链对苯环性质有影响的是(　　)

    Making friends is a skill like other skills. It improves with practice. If you want to meet people and m____ friends, you must be willing to take some actions.

    You must first go w ____ there are many people. You won't make friends staying at home. J____ a club or go to a party, talking with those who like the s____ things as you do. Or join someone in some a____.

    It's human nature to feel a bit unhappy about the unknown. Most of our fears come from doubts about ourselves. D____ forget they must be feeling the same way. Try to accept yourself as you are, and try to put the other person at ease（自由自在）. You'll both f____ comfortable. Try to act self-confidently t____ you don't feel that way. When you enter a room f____ of strangers, walk straight, look directly at them and smile. Meeting someone new doesn't mean that you will make friends because friendship is based on mutual liking（基于互相喜欢） and "give and take". It takes t____ to develop.

点拨：①当 also 用于句首时，其后往往有逗号与句子的其他部分隔开。这时，also用于修饰整个句子，相当于汉语中的"同时，还，而且"。例如：

冯老师的课很有趣。同时，他还把课讲得简单易懂。____

②also 表示"也"，往往位于句中动词be 之后，行为动词之前。例如：

我爸爸会说英语，他也会讲法语。____