Choose the right form of the verb and translate the sentences

A) shrinking b) shrunk c) being shrunk

The _________ Arctic ice sheet is forcing more bears to live on land over the summer, where they have more encounters with humans as they search for new food sources.

Choose the right variant of Participle and translate the sentences

A) have to b) should c) may

International regulations _____ be modified to prohibit the discharge of all garbage at sea.

A) may b) can c) must

Small doses of the sun-ultraviolet radiation result in nothing worse than sunburn and larger amounts ______ cause cataracts or skin cancer, and affect the growth of plants.

Choose the right modal verb and translate the sentences

3. From an animal’s point of view, obtaining food without being eaten is critical it ________ be able to gather enough food to meet its energy requirements and reproduce the next generation.a) must b) can c) could 4. Explosive charges and air cannons fired underwater in the hunt for oil ______ kill millions of fish but fortunately Norwegian fishing industry officials managed to prevent it. a) can b) could c) might 5. Aquaculture can create jobs, enhance the overall economy of a region however it ________ be looked upon as the means to prosperity for large numbers of those who live in the developing nations of the world.a) shouldn’t b) mustn’t c) can’t2. The scientists made some experiments along one line of 35 g charges, _______ cod in cages at three different distances from the line.a) placed b) placing c) having placed 3. Trout and salmon lay their eggs in shallow nests (known as redds) _________ in the gravel bottoms of lakes and streams.a) constructed b) constructing c) being constructed 4. The fish or invertebrates being reared by an aquaculturist may all be harvested over a short period of timea) reared b) being reared c) rearing 5. The main services _________ by the gas regulation function are the maintenance of clean, breathable air, and the prevention of diseases.a) provided b) providing c) being provided

1. Wind power is an alternative energy source which ________ for many years in countries like Holland and Denmark.

a) used b) was used c) has been used

2. Increasing waste from pulp-and-paper plant, poaching of Baikal omul, the lake’s iconic fish, and the chaotic construction of private housing and recreation centers _________ the lake’s ecology.

a) effect b) are effecting c) effects

3. It has become an inevitable trend to make reasonable use of fisheries resources while we ________our living area.a) are exploiting b) exploit c) exploited4. The Department of Energy’s office of Biological&Environmental Research has informed those managing the experiments that their current research ________ by 2012. a) will phase out b) will be phased out c) will have been phased out

5. For more than a decade, the U.S. federal government _______ millions of dollars pumping elevated levels of carbon dioxide into trees to test how forests will respond to global warming in the next 50 years.

a) spent b) will spend c) has spent

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