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题库 / Prep2008E1-SC-200
A scrub jay can remember when it cached a particular piece of food in a particular place, researchers have discovered, and tend not to bother to recover a perishable treat if stored long enough to have rotted.
tend not to bother to recover a perishable treat if
they tend not to bother recovering a perishable treat
tending not to bother to recover a perishable treat it
tends not to bother recovering a perishable treat
tends not bothering to recover a perishable treat it
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句子主干：researchers have discovered a scrub jay can remember ...and tends not to...
tend后面的意思是，如果一个食物储存时间长容易腐烂，它也不会去寻找
a,主胃不一致，a scrub是单数，应该用tends. if引导的从句没有主语
b,they指代对象有误
c, tending在and前找不到平行对象
d, stored作为treat的定语
e, tend to do sth.
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