已知集合$A=\left\{x\right|y=\sqrt{{\log }_{2}x}\},B=\{y|y={\left(\frac{1}{2}\right)}^x,x>0\}$，则$A\cap C_{R}B=$(     )

    Do you know how to make friends with a group of people? Let me tell you something about ____ friends with the group. Maybe it's helpful to you.

    First you need to know what kind of group they belong ____ If people in the group are shy, never ____ them “Why don't you talk?”, ”Why are you quiet?” or “Why do you look shy?” They don't like such ____

    Next, remember that each group is different. They may use.____ words, like different things or have different ways of “hanging out”.

    Then ,the important thing is that you must try to be outgoing.____you are outgoing, you will become very popular. Remember,____wants to make friends with a quite shy person.

    Finally, find a right topic to talk ____others or the one you want to make friends with. For ____you can talk with them about the weather, their hobbies or their school lives.

    If you do all these above, you will make more friends and get____well with them.

用调节好的托盘天平测物体A的质量，在测量过程中，若指针静止在如图甲所示的位置，只调节游码，则应向____ 调（选填“做”或“右”），天平才能平衡，当指针静止在中央刻度线上，天平使用的砝码的情况和游码的位置如图乙所示，则物体A的质量为____ g．

农业部数据显示，截至2011年2月9日，河南、河北、山东、山西、安徽、江苏、甘肃、陕西等8省受旱面积达1 195万亩。阅读材料和下面两幅图，回答下列两题。