根据第一段“Eucalyptus is poisonous, so the koala’s digestive (消化的) system has to work hard to digest it, breaking down the poisons and taking in the limited nutrients (营养). That’s why koalas sleep for 18 to 22 hours a day—they get very little energy from their diet. (桉树...
trees.Whennotsleeping,they'reusuallyeating.Theycaneatmorethanapoundofeucalyptusleavesaday.Eucalyptusispoisonous,sothekoala'sdigestive(消化的)systemhastoworkhardtodigestit,breakingdownthepoisonsandtakinginthelimitednutrients(营养).That'swhykoalassleepfor18to22hoursaday—theygetverylittleenergyfromtheirdiet....
they'reusuallyeating.Theycaneatmorethan a poundofeucalyptusleaves a day.Eucalyptusispoisonous,sothekoala'sdigestive(消化的)systemhastoworkhardtodigestit,breakingdownthepoisonsandtakinginthelimitednutrients(营养).That'swhykoalassleepfor 18 to 22 hours a day - theygetverylittleenergyfromtheirdiet.它们...
Eucalyptus is poisonous, so the koala's digestive(消化的) system has to work hard to digest it, breaking down the poisons and taking in the limitednutrients(营养) .That's why koalas sleep for 18 to 22 hours a day - they get very little energyfrom their diet.”(不睡觉的时候,它们通常...
That'swhy koalas sleep for 18 to 22 hours a day- they get very little energy from their dietKoala numbers decreased in the late 19th and early 20th century from hunting for their fur. Now they faceserious threats from habitat loss. Land clearing and bush fires-especially the 2019-2020 ...
A.regular fish-eating B.the amount of fish eaten C.the kind of fish eaten D.people of different regions66.The passage is mainly about ___. A.the high incidence of heart disease B.the great changes in people's diet C.the fish consumption in some countries D.the effect of fish eating...
That's why koalas sleep for 18 to 22 hours a day — they get very little energy from their diet. Koala numbers decreased in the late 19th and early 20th century from hunting for their fur. Now they face serious threats from habitat loss. Land clearing and bush fires — especially the ...
they'reusuallyeating.Theycaneatmorethan a poundofeucalyptusleaves a day.Eucalyptusispoisonous,sothekoala'sdigestive(消化的)systemhastoworkhardtodigestit,breakingdownthepoisonsandtakinginthelimitednutrients(营养).That'swhykoalassleepfor 18 to 22 hours a day - theygetverylittleenergyfromtheirdiet.它们...
That's why koalas sleep for 18 to 22 hours a day — they get very little energy from their diet. Koala numbers decreased in the late 19th and early 20th century from hunting for their fur. Now they face serious threats from habitat loss. Land clearing and bush fires — especially the ...
trees.Whennotsleeping,they'reusuallyeating.Theycaneatmorethanapoundofeucalyptusleavesaday.Eucalyptusispoisonous,sothekoala'sdigestive(消化的)systemhastoworkhardtodigestit,breakingdownthepoisonsandtakinginthelimitednutrients(营养).That'swhykoalassleepfor18to22hoursaday—theygetverylittleenergyfromtheirdiet....