问题 阅读理解

阅读理解。

    Everyone needs friends. We all like to feel close to someone. It is nice to have a friend to talk, laugh and

do things with. Surely, there is time when we need to be alone. We don't always want people around. But

we will feel lonely if we never have a friend.

    No two people are just the same. Sometimes friends don't get along well. That doesn't mean that they no

longer like each other. Most of the time they will go on being friends.

    Sometimes friends move away. Then we feel very sad. We miss them very much. But we can call them

or write to them. It could be that we would even see them again. And we can make new friends. It is

surprising to find out how much we like new people when we get to know them.

    There's more good for people with friends. They live longer than people who don't. Why? It could be that

they are happier. Being happy helps you stay well. If someone cares about you, you'll take better care of

yourself.

1. The first paragraph (段) tells us that ______. [ ]

A. none need friends

B. we always need friends around us

C. making friends is a need in people's life

D. we need to be alone

2. Sometimes friends move away. We feel ______.[ ]

A. happy

B. sad

C. lonely

D. excited

3. People with friends live longer than people without friends because ______. [ ]

A. they feel happier and healthier.

B. they get a lot of help from their friends

C. they take better care of themselves

D. both A and C

4. The writer doesn't say in the passage ______. [ ]

A. people are not happy when their friends leave them

B. people will never see their friends after their friends move away

C. people can know their friends in different ways

D. people like their friends very much if they get to know them

5. The main idea of this passage is ______. [ ]

A. people are all friends

B. people need friends

C. how to get to know friends

D. how to write to your friends

答案

1-5: CBDBB

单项选择题
单项选择题

“蓝牙”(Bluetooth)本是10世纪统一了丹麦的国王的名字,现取其“统一”的含义、用来命名意在统一无线局域网通信标准的蓝牙技术。1998年5月,爱立信、诺基亚、东芝、IBM和英特尔五家著名厂商在联合开展短程无线通信技术的标准化活动时提出了“蓝牙技术”这一概念。蓝牙技术是一种提供短距离无线传输的应用技术。这五家厂商力图使蓝牙技术能够成为未来的无线通信标准。这种全球统一的标准带来了无穷无尽的创造力。

蓝牙技术在现代通信网络的最后10米,将像一种无处不在的数字化神经末梢一样,把各种网络终端设备、各种信息化设备,都“无线”地连接起来。利用蓝牙技术,能够有效地将移动电话与笔记本电脑、掌上电脑以及各种数字化的信息设备连接起来,从而甩掉常用的有线通信电缆;同时形成一种个人身边的网络,使得身边的各种信息化的移动便携设备都能无缝地实现资源共享。

因为其开放性,蓝牙技术目前只是一个规范,还没有成为行业标准。不同品牌、型号的设备之间互通还存在一些问题。但蓝牙技术本身具有很多优势:蓝牙一般工作在不需缴纳费用的全球通用的工业、科学和医疗频段,即2.4GHz的1SM频段上;可实时进行数据和语音传输;由于采用了先进的调频和纠错编码技术,蓝牙具有很好的抗干扰能力,在配备了蓝牙的设备之间可以进行更加可靠的通信。另外,蓝牙具有很强的移植性,可应用于多种通信场合,如WAP、GSM等,引入身份识别后可以灵活实现漫游。而且蓝牙设备功耗低,容易实现,便于推广,对人体危害也小。

就目前的发展情况来看,蓝牙技术在手机、耳机、PAD、数码相机和数码摄影机等设备上都有应用,也正应用于无线设备、图像处理设备、安全产品、消费娱乐、汽车产品、家用电器等诸多领域。就蓝牙手机而言,它可以很方便地和电脑连接,实现文件互传,除了图片、铃声、和Java小游戏外,一般的文档也能传到蓝牙手机中,这样就可以把蓝牙手机当成U盘使用了。蓝牙手机能够在一定范围内与笔记本电脑无线连接,让笔记本电脑无线上网成为现实。两个同样持有蓝牙手机的用户还可以通过手机交换名片、电话和手机铃声,或者无线联机游戏。再加上相匹配的蓝牙头盔、蓝牙眼镜、蓝牙外套等一系列产品,蓝牙的无线优点可以让你尽情体验魅力时尚的新生活。

随着蓝牙技术的不断成熟,在逐渐解决制造成本、统一标准和工作的安全性三个主要问题后,各种蓝牙产品将更加深入人们的生活,改变人们的生活与工作方式,并大大提高人们的生活质量。

下列对蓝牙技术的解释,最准确的一项是()。

A.蓝牙技术是用丹麦国王名字命名,意在统一无线局域网通信标准的无线传输应用技术

B.蓝牙技术是由爱立信、诺基亚、东芝、IBM和英特尔联合提出的未来的无线通信标准

C.蓝牙技术是信息设备间及信息设备与网络间的一种短距离无线化通信传输应用技术

D.蓝牙技术是一种能把各种网络终端设备、各种信息化设备连接起来的无线通信标准