In total of 14.000 experiments (4)________ globally, the teenagers (5)________ sensed when they were being watched almost 81% of the time.

And in Zimbabwe, 34 poachers died in 1990 in the search for the black rhino. Recently, conservationists met to (3)___________a campaign to persuade countries where rhino horn is still part of the traditional medicine to switch to substitutes. The biggest threat to the survival of the rhinoceros is the refusal of certain countries to enforce a ban on domestic trading in rhino horn. The rhino horn is included in many doses for disorders raging from fevers to nosebleeds.

The Internet has truly transformed how students do their homework. (1)______ homework today still means spending time in the library, it’s for a different reason. Rather than using books for research, students today are (2)______ to the Internet to download enormous amounts of data available online. In the past, students were limited to their school’s (3)______ of books. In many cases, they got to the school library and found out that someone had already taken the books they needed. Nowadays, such inconvenience can be avoided since the Internet never runs out of information. Students, however, do have to (4)______ sure that the information they find online is true. Teachers have also benefited from the homework which is done on the Internet. They do not need to carry students’ papers around with them any more. This is because online (5)______ allow students to electronically upload their homework for their teachers to read and mark. Of course, this also means that students can no longer use the excuse that the dog ate their homework!

All this changed with the growth of factories and industry in the nineteenth century, first in Europe and (3) ______.

Naturally, parents are (2)_____ to find out why the internet is so attractive, and they want to know if it can be harmful for their children.

In the UK there are currently about 300 Feng Shui consultants. They will come to your house or office and give you advice (1) ________ on your lifestyle and date of birth. According to one such expert, I (2) ________ install an aquarium with six black and one red goldfish in my living room in order to absorb bad vibes. He also told me to pay attention to one of my windows. He advised me to put plants on the window still to (3) ________ the loss of positive energy. The real “weak spot” in my house, however, was the cooker. He reassured me that hanging some dried vegetable above it would solve the problem. Whether you (4) ________ in the power of Feng Shui or not, it is certainly having a major impact on the (5)________ thousands of people organize their home.

The accident has been caused by a small mistake in one line of the program, which (3)______ the USA 18 million dollars.

According to medical experts, one in five youngsters (5)________ anything between two and five hours' sleep a night less than their parents did at their age

Some birds, such as parrots, are caught (3)________and sold as pets. For many animals and birds the problem is that their habitat - the place where they live - is disappearing. More land is used for farms, for houses or industry, and there are fewer open spaces than there once were.

Many of the things we do depend on receiving information from other people. Catching a train, making a phone call and going to the cinema all involve information (1)_______ is stored, processed and communicated. In the past, this information used to be kept on paper in the (2)_______ of, for example, books, newspapers and timetables. Now more and more information is put on computers. Computers play an important part in our everyday lives. Consider the use of computers in both shops and offices. Big shops, especially chain stores with branches all over the country, have to deal with very large (3)_______ of information. They have to make (4)_______ there are enough goods on the shelves for customers to buy, they need to be able to re-order before stocks (5)_______ out, to decide which things are selling well and so on. All these processes are performed quickly and efficiently by computers.

Big shops, especially chain stores with branches all over the country, have to deal with very large (3)_______ of information.