A
My mother was a responsible teacher and she retired.So I decided to give her one of my old computers to help her pass the time.She had a little bit of computer __1__，so I just set it up for her and let her __2__ with it on her own.
As time went on，I __3__ the computer was hardly touched.She said she didn't know __4__ to use it.I decided to teach her.I sat and __5__ everything and she seemed OK with what I said.Unfortunately，my sister called me at that moment __6__ we talked on the phone for an hour.Then when I saw her again，she was sitting in front of the computer，looking quite __7__.The screen saver(屏幕保护程序) had appeared and she didn't know how to __8__ it off.She had tried __9__ every key and it didn't work.I told her，“Just __10__ the mouse a little.” What I meant was that she just needed to move the mouse around to __11__ the computer up.What she did was to __12__ the mouse and start shaking it around in midair until the __13__ went completely black.I couldn't help laughing because of her funny __14__.The more I laughed the __15__ she got.
She thought that I was a(n)__16__ teacher and she decided to figure the thing out herself.Well，at least I helped her overcome her __17__ of breaking something and encouraged her to __18__ a little.
About a week later，I found a homemade __19__ card with a mouse on the front making a funny face __20__ to my door.It said，“Thanks for the computer lessons.Love，Mom.”
1．A.theory B．knowledge
C．technology D．history
2．A.watch B．train
C．play D．see
3．A.found B．heard
C．thought D．ignored
4．A.why B．when
C．how D．where
5．A.learned B．described
C．explained D．discussed
6．A.and B．but
C．because D．since
7．A.amusing B．relaxed
C．interesting D．discouraged
8．A.get B．break
C．cut D．turn
9．A.hitting B．feeling
C．changing D．removing
10．A.hang B．shake
C．rub D．push
11．A.clean B．wake
C．bring D．take
12．A.put up B．cut off
C．pick up D．put away
13．A.screen B．curtain
C．cover D．window
14．A.adjustment B．imitation
C．expression D．action
15．A.ruder B．happier
C．angrier D．better
16．A.impatient B．humorous
C．careful D．helpful
17．A.sadness B．pressure
C．fear D．depression
18．A.reply B．observe
C．answer D．experiment
19．A.inviting B．greeting
C．shopping D．birthday
20．A.appeared B．stuck
C．combined D．printed
【解题导语】该文主要讲述了作者教退休的母亲玩电脑的有趣故事。
1．B 根据下文中的“She said she didn't know __4__ to use it.I decided to teach her”可推知，作者的母亲对电脑所知甚少，此处指电脑知识(knowledge)。
2．C 根据上文中的“So I decided to give her one of my old computers to help her pass the time”可知，作者给母亲一台自己的旧电脑是让退休的母亲自己玩。play with...“玩……”。
3．A 随着时间的推移，作者发现(found)电脑几乎没被碰过。
4．C 根据下文中的“I decided to teach her”可推知，母亲并不知道怎么(how)使用电脑，于是作者决定教她。
5．C 根据空处前一句“I decided to teach her”和空后的“and she seemed OK with what I said”可推知，作者给母亲讲解(explained)了相关的电脑知识。
6．A 根据语境可知，空处应填连词and，表示“然后，接着”。
7．D 结合语境可推知，母亲不会玩电脑，感到很泄气(discouraged)。
8．D 根据空前的“The screen saver(屏幕保护程序)had appeared”及常识可推知，电脑出现屏幕保护程序，母亲不知道怎么把它关掉。turn off“关掉”。
9．A 根据空后的“and it didn't work”可推知，母亲因为不懂得怎么关掉屏幕保护程序，于是就按(hitting)了每一个键。
10．B 根据语境可推知，作者教母亲稍微晃动(shake)鼠标即可。下文中的“start shaking it”也是提示。
11．B 根据语境可推知，作者是让母亲移动鼠标，唤醒电脑。wake up“唤醒”，符合语境。
12．C 根据空后的“start shaking it around in midair”可推知，母亲听了作者的话就把鼠标拿起来(pick up)，在空中摇晃。
13．A 根据语境可推知，母亲不会玩电脑，拿着鼠标乱晃，结果电脑屏幕(screen)全黑了。
14．D 根据语境可知，作者被母亲搞笑的行为(action)给逗乐了。
15．C 根据语境可知，作者越笑，母亲越生气(angrier)。
16．A 根据空后的“she decided to figure the thing out herself”可推知，身为老师的母亲对作者教自己玩电脑这件事很有看法，认为作者没有耐心(impatient)。
17．C 根据语境可推知，作者帮助母亲走出了害怕(fear)损坏东西的阴影，鼓励母亲再尝试一下。
18．D 参见上题解析。experiment“尝试”，符合语境。
19．B 根据语境可知，母亲自己制作了一张贺卡(greeting card) ，对作者表示感谢。
20．B 根据语境可知，此处指卡片贴在了作者的门上。stick to...意为“粘/贴在……”。
