初中生小宇的父亲因工伤住院治疗，老板却拒绝支付医药费用。由于家庭经济困难无法支付诉讼费用，可小宇一定要为爸爸讨回公道。这时小宇应该懂得（   ）

若a＞0，b＞0，则p=$\frac{b^2}{a}$+$\frac{a^2}{b}$与q=a+b的大小关系为（　　）

“我以无可言状的悲怆追忆那血腥的风雨，我以颤抖的手抚摸那30万亡灵的冤魂，我以赤子之心刻下这苦难民族的伤痛。我祈求古老民族的觉醒，精神的觉醒。”这段材料最适宜存放在(    )

    Tea is an important part of Chinese tradition. Tea has very close relationship to Chinese culture.

    It is said that Chinese tea was discovered by King Shen Nong. People say that he lived 5，000 years ago. One summer day, while he was visiting a faraway part of his country, he felt very thirsty. The servants began to make water hot enough for him to drink. Dried leaves from a near plant fell into the water. The king drank some, and found it could make him feel less tired. Also as a scientist, Shen Nong was interested in the new drink. And so, tea was created in 2737 BC.

    Drinking tea has many advantages. It makes people feel less tired, clears heat inside the human body and helps people become slimmer. As you add a cup of tea to your daily life, please check the following helpful advice.

    Drink it hot. Tea oxidizes(氧化)quickly, so it is suggested that you drink it hot.

    Do not drink too much strong tea. It will probably be harmful to your stomach and make you feel sick if you make the tea too strong.

    The best time to drink tea is between meals. It may not make you have a strong wish to eat when your stomach is empty, or cause stomachache when your stomach is full.

    Do not drink with medicine. It may change the medical result. You can drink tea two hours after you take medicine.

    Green tea is the best choice for office workers. Why? Because green tea helps stop the bad result of the computer.