Some scientists believe that hibernation is started by ______.

A． over-eating

B． calcium deposits

C． a body chemical

D． a lack of water

Some scientists believe that human beings are born with a(n) ___________ for usi

[单选题]Somepeoplebelievethatsinceoilisscarce,the____ofthemotorindustryisuncertain.A．)terminalB)benefitC)fateD)estimate

Scientists believe it is possible that the universe is _ , but if it isnt, it wo

[单选题]Some officials believe bird flu spread to Africa mainly due to ______.A． the trade of farm birdsB． the waste and liquids of infected birdsC． the fact that sortie people touched sick birds or any infected part of sick birdsD． the virus changed and sta

Scientists have reason to believe that trees do communicate (交际) with each other

There is, we believe, some connection between fiscal fitness and emotional fulfi

There is, we believe, some connection between fiscal fitness and emotional fulfi

Many people mistakenly believe the term drug refers only to some sort of medicin

But is that bad for science? Some scientists have had concerns. When debates in

But is that bad for science? Some scientists have had concerns. When debates in