По ! scientists in the united states have found that hibernating bears manage to keep fit in their sleep. the (9) that over 130 days of winter hibernation bears (10) only a quarter of their muscle power was made by ( from the university of wyoming. the scientists (12) samples from black bears at the start and finish of the hibernation. the researchers had to (13) attach devices to the bears and this meant ( into the caves (15) the autumn and spring. they attached a machine to the bears’ legs for (16) muscle strength. the device was (17) to a computer and very small electric ( were sent to the bears’ nerves causing the legs to move suddenly and the measurement was then taken. the scientists are (19) that their research will enable them to help humans that are confined (20) bed for a long time. human beings that are (21) for 130 days lose a/an ( 90% of their body strength. furthermore, in the future there might be long-distance space (23) and the effects of lack of muscle movement will need to be considered. вопрос № 1 choose the correct answer for (9). a discovery b invention c exploration d experiment вопрос № 2 choose the correct answer for (10). a waste b lose c gain d spend вопрос № 3 choose the correct answer for (11). a investigators b researchers c detectives d discoverers вопрос № 4 choose the correct answer for (12). a made b took c did d gained вопрос № 5 choose the correct answer for (13). a accurately b steadily c slowly d carefully вопрос № 6 choose the correct answer for (14). a climbing b running c creeping d sliding вопрос № 7 choose the correct answer for (15). a at b in c on d over вопрос № 8 choose the correct answer for (16). a measuring b guessing c adding d estimating вопрос № 9 choose the correct answer for (17). a stuck b tied c transmitted d connected вопрос № 10 choose the correct answer for (18). a wires b messages c signals d shocks вопрос № 11 choose the correct answer for (19). a optimistic b enthusiastic c sympathetic d pessimistic вопрос № 12 choose the correct answer for (20). a to b in c at d with вопрос № 13 choose the correct answer for (21). a inactive b unenergetic c lazy d unmovable вопрос № 14 choose the correct answer for (22). a guessed b estimated c predicted d measured вопрос № 15

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