The origins of chess are uncertain, (2)______ there are a number of legends regarding its invention.

The latest addiction to trap thousands of people is Internet, which has been (1) ______ for broken relationships, job losses, financial ruin and even one suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. Special help groups have been set up to of sufferers help and support. IAS is similar to (2) ______ problems like gambling, smoking and drinking : addicts have dreams about Internet; they need to use it first thing in the morning; they lie to their partners about how much time they spend online; they wish they could cut down, but are unable to do so . A recent study found that many users spend up to 40 hours a week on the Internet; (3) ______ they felt guilty, they became depressed if they were (4) ______ to stop using it. Almost anyone can be at risk. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Surprisingly, however, psychologists (5) ______ that most victims are middle-aged housewives who have never used a computer before

Music, artful arrangement of sounds (1) _______ time. This definition is obviously very broad, but a narrower one would exclude (2) _______ much. Music is part of virtually every culture on (3) _______, but it varies widely among cultures in style and structure. Definitions of music can (4) _______ dramatically over a short time, as they have across the world during the 20 (5) _________.

CANADA - LAND OF MANY REGIONS
Today, Canada is made (1) _______ of ten provinces and three northern territories. As a big country, it has many different (2) _______. British Columbia is the westernmost Canadian province and the (3) _______ province on the Pacific Ocean. Mountains (4) _______ most of it. Vancouver, a major port city, is here. The Maritime Provinces lie along the Atlantic (5) _______.

Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. Special help groups have been set up to of sufferers help and support. IAS is similar to (2) ______ problems like gambling, smoking and drinking : addicts have dreams about Internet; they need to use it first thing in the morning; they lie to their partners about how much time they spend online; they wish they could cut down, but are unable to do so .

Almost anyone can be at risk. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Surprisingly, however,
psychologists (5) ______ that most victims are middle-aged housewives who have never used a computer before.

National Parks and Preserves, (1) _______ public lands or bodies of water within a country, set aside by the (2) _______ to protect ecosystems, plant and animal species, scenic landscapes, geologic formations, or historical or archaeological (3) _______. National parks are managed primarily for public recreation, (4) _______ exceptional locations where visitors can view wildlife and enjoy the (5) _______.

In between the (1) _______ are the Prairie Provinces and the eastern provinces of Ontario and Québec. Rolling wheat (2) _______ cover much of the Prairie Provinces—Alberta, Saskatchewan, and Manitoba. They (3) _______ more than one-fifth of the world’s wheat. (4) _______ of Canada’s people live in Ontario and Québec. These two provinces are Canada’s business and (5) _______ heartland. Toronto, Canada’s largest city, is in Ontario. So is Canada’s capital, Ottawa. Montréal, the second largest city, is in Québec.