B）根据短文内容及首字母提示，填写所缺单词。

It happens to most of us at times as we try to get through our workday. When sitting at work, we suddenly f  1    a bit headache. But don’t worry; there are some simple things that you can do to ease(减轻) a headache at work w  2    medicine.

Drink a bottle of warm water. Many people do not r  3    that the dry air in their working place can be a danger because of the lack(缺少) of water.

Eat a h  4    snack. During a busy day, it is easy to f  5    to eat, have a snack with much protein(蛋白质) which will improve your e  6    and quickly get rid of the hunger that is c  7    the headache. A cup of coffee or a piece of chocolate can be just the thing that you n  8    to ease your headache fast and get back on your way to a great day at work.

Step away from what you are working on for five to ten m  9   . Often, your headache is from your too much a  10    paid to one thing. This can be a computer screen or even one project. The best thing would be to go outside for your eyes to get some natural light.  

请认真阅读下面短文，并根据各题所给首字母的提示，写出一个合适的英语单词完整、正确的形式，使短文通顺。

It can be a lot of work to adopt (收养) an animal, but it is also a lot of fun. Mollie Lesser, 18, of Chicago, US, recently adopted a little dog named Bart. Bart is not Lesser’s first dog. The family had 1.a________ dog that passed away last summer. They adopted 6-month-old Bart in January. “We forgot how much energy a young2.d________ has,” Lesser said. “It can be very time-consuming (耗时的). My parents compare it to having a baby.”

Bart needs to be walked or let into the backyard several times a day. His trainer, Lisa Collins, says a young dog actually needs to be let outdoors every two 3.h________.

Having a dog is not just about 4.p________ with it. Owners also expect their dogs to do 5.s________ helpful. Collins says that, through proper training, animals can 6.l________ to obey commands (命令) from both adults and kids. Having a dog also means providing fresh 7.f________, water and attention every day. Patience and training is also 8.n________. Lesser said her dog has already chewed up a pair of her shoes. Her parents have been working with Collins to stop its bad behavior like chewing or jumping on people. Being a pet owner 9.t________ a lot of time, but Lesser doesn’t mind.

“Falling in love with a pet is easy, but adopting a pet is a big decision,” said Lesser. “Think it over 10.b________ you adopt a pet.”

We are all busy talking about and using the Internet (互联网), but how many of us know the h____1___ of the Internet?

　　Many people are surprised when they find that the I___2_ was set up in the 1960s. At that time, computers were large and e__3___ . Computer networks (网络) didn't work well. If one computer in the network broke down, then the whole network stopped. So a new network system had to be set up. It should be good e__4___ to be used by many different computers. If part of the network was not working, information could be sent through a__5_ part. In this way computer network system would keep on w___6___ all the time.

　　At f_7_ the Internet was only used by the government, but, in the early 1970s, universities, hospitals and banks were allowed to use it too. H_8__, computers were still very expensive and the Internet was d__9__ to use. By the start of the 1990s, c__10_ became cheaper and easier to use. Scientists had also developed software that made 'surfing' (浏览) the Internet more convenient.

Today it is easy to get on-line (上网) and it is said that m__11__ of people use the Internet everyday. Sending e-mail is more and more p__12__ among students.

The Internet has now become one of the most important parts of people's life.