Nowadays, millions _____ lonely singles are now going online instead. ___
___World Wide Web is quickly becoming the world’s most popular matchmaker(媒人).
Singles are flocking(涌向) to the Internet_____(main) because their busy lifestyles leave them little time to look for a significant(重要的) other. Using dating sites(约会网址) is quick and convenient. Many singles say the regular dating scene ___
___(just lead) them from one bad experience to ___
___ and are ready to try something else. Dating sites also make __
__ easy to avoid someone __
__ you are not interested in. In the real world, ___
___, ignoring someone you don’t like can be difficult.
Despite(尽管) all the advantages, online dating also presents its own set of problems. People aren’t always those who they declare(声称) to be in their online___(describe). Safety is another concern. You are just _
___(like) to find a criminal(罪犯) online.
So, we’ll go white-water rafting, is quite dangerous, but very exciting! After white-water rafting, we’re going on a trip to see wild animals in Kenya.
we’ll be walking for almost two weeks, I’ll need to buy a large, strong, light backpack
advance to carry my supplies of food and water.
We will leave London on 15 July, and we’ll be flying to Morocco. We are going to travel on camels the Sahara Desert.
It seemed that the water led to cholera．John Snow looked into the source of the water for these two streets．He found that it came from the river, had been polluted by the dirty water from London．Immediately John Snow told the astonished people in Broad Street to remove the handle from the water pump so it could not be used．Soon the disease began to slow
．
John Snow had shown that cholera was spread by germs and not in a cloud of gas．___addition, he found two other deaths in another part of London that were concerned with the Broad Street outbreak．A woman, who had moved away from Broad Street, liked the water so much that she had had it delivered from the pump to her house every day．
Technological developments have also played their part ______ keeping Valentine’s Day relevant in the 21st century. Valentine’s ecards have been very popular in recent years.
Now，Valentine’s Day is celebrated in many countries around the world. However, the traditions often differ from place to place.
In Japan，for example，it is normal _______the woman to send chocolates to the man, ___
___in South Korea April 14th is known as “Black Day” and is when the unfortunate men who received nothing on Valentine’s Day gather to eat noodles and show sympathy for each other.