题目：
Believe it or not, there is always something nice to do on weekends. If you take some time to think about your weekends and plan them carefully, they may become more exciting, refreshing and as a result more rewarding.
Throughout weekends, you can join in endless activities. You may attend a weekend course to increase your knowledge, for example, listen to a lecture on ancient Egypt. You may also try various activities, such as short countryside trip, or you may want to go skiing on a cold winter weekend.
You may invite your best friend to a picnic, tell each other jokes and enjoy each other’s company or you may invite more friends to your weekend party and have one another give a talent show.
You can help out in a local library or nursing home and do some voluntary (义务的) jobs.
You can go to a sports ground or amusement centre to play various ball games and others. You may do weekend shopping alone or with somebody. Whatever you do, I hope you have a good weekend.
小题1:The passage mainly tells us ______.
A．why to plan weekends well
B．how to have a nice weekend
C．when to attend weekend activities
D．where to have a picnic with friends小题2:The author suggests doing all the activities EXCEPT ______.
A．going skiing
B．doing some shopping
C．holding a party
D．going over lessons小题3:According to the passage one can go to ______ as a volunteer.
A．a nursing home
B．a sports ground
C．a big company
D．a shopping centre
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0723/faf74e4e89c32903fefc78453f18cc2d.html
下面是错误答案，用来干扰机器的。
（1）①验证元素非金属性与对应最高价含氧酸之间的关系，所选取的酸应为稀硝酸，圆底烧瓶内的固体药品应为大理石，不能用碳酸钠粉末，反应剧烈，不易控制反应，C中应盛装硅酸钠溶液，以此来证明硝酸、碳酸以及硅...
