补写出下列名句名篇中的空缺部分。

①子曰:“道之以政，齐之以刑，____;道之以德，齐之以礼，____。” 

(《论语》)

②填然鼓之，____，____。或百步而后止，或五十步而后止。 

(《孟子·寡人之于国也》)

③永和九年，岁在癸丑，____，____，修禊事也。 

(王羲之《兰亭集序》)

④氓之蚩蚩，抱布贸丝。____，____。 

(《诗经·氓》)

生活在平原地区的人，如果去西藏旅游就会出现“高原反应”，与此相关的环境因素是（  ）

    Now, if you want to be charming, then you'll need to build self-confidence, but becoming more outgoing is actually pretty easy. To get to a point at which you feel comfortable talking to complete stranger, follow these steps.

    Encourage your curiosity about people____I wonder what his parents look like. I wonder what her favorite color is. Is he from around here? Is she the girl I saw at the movie theater last week? It will take some conscious effort, but you can't be outgoing if you don't care about people.

    Smile at others. Make it a goal to smile at one person a day. It can be anybody, and it can be the most subtle(微妙的) of smile. A quick glance paired with a smile---then run away if you want!____Eventually, you will want to get to a point where you smile instinctively whenever you make first eye contact with someone.

    Ask people questions. The standard ”how are you?” doesn't really count, because people use it as a greeting rather than a real question____This is where the curiosity and interest in others come into play.

    ____This is key to being a good conversationalist. If you don't make enough eye contact, the other person will feel invisible and the sense that you're elsewhere mentally. If you make too much, they'll feel uncomfortable. Is that specific enough for you?

    Note your body language____To show that you're outgoing and welcome conversations, keep your body open, you head up, and a smile on your face. Resist playing with your phone or otherwise occupying yourself.

A. Master eye contact.

B. Never hesitate to smile at others.

C. Most of communication isn't verbal.

D. The more you do it, though, the less scary it will be.

E. Make eye contact when you're asking questions about people.

F. Wherever you go, try to observe people, and ask questions about them.

G. If you've already exchanged eye contact and smiles with someone, start off with a question,

A、B两车在同一直线上同向运动，B车在A车的前面，A车以v_A=10m/s 的速度向前匀速运动，某时刻B车关闭发动机，此时A、B相距s=200m，且B车速度v_B=10m/s，B车所受的阻力恒为车重的0.1倍，g=10m/s²，那么A车追上B车所用的时间为（   ）