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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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treat，东西
it tends not to bother recovering a perishable treat stored long enough to have rotted.它往往不会费心回收一种易腐烂的食品，这种食品储存的时间太长，以致腐烂。
stored long enough to have rotted作定语，修饰treat，指食品具有被存储太久以致腐烂的性质，这里食品是不是被jay存储的无关紧要，别人存储的坏了它也不会想要。
for instance:
Animal 1 will attack animal 2 if injected with enough of the hormones related to aggression.
--> in this sentence it is animal 1, not animal 2, that is being injected with hormones.
bother to do 和 bother doing ，费心/操心做某事
B，they指代错误
选项A（×）：
使用if从句的话，要主将从现，if …… will tend…… 。此处if从句省去主谓， 还原后主语是jay，而不是treat
Can tend ……能往往（语义不通）
研究人员发现，灌木松鸦可以记住它何时将特定的食物存放在特定的地方，并且，往往不会费心去恢复易腐烂食物（这种食物储存太久以致腐烂）。
选项A（×）：
使用if从句的话，要主将从现，if …… will tend…… 。此处if从句省去主谓， 还原后主语是jay，而不是treat
Can tend ……能往往（语义不通）
②there's also the problem with "if [participle]" -- a modifier that, by convention, refers to the SUBJECT of the sentence (not the proximate noun).
for instance:
Animal 1 will attack animal 2 if injected with enough of the hormones related to aggression.
--> in this sentence it is animal 1, not animal 2, that is being injected with hormones.
D选项：主谓抽出来应为jay can remember and tends to
it tends not to bother recovering a perishable treat stored long enough to have rotted.它往往不会费心回收一种易腐烂的食品，这种食品储存的时间太长，以致腐烂。
stored long enough to have rotted作定语，修饰treat，指食品具有被存储太久以致腐烂的性质
B they指代错误
C 不是完整句子
E tend (not) to do 没有doing"
in this case, provided this problem is from a reputable official source, you can take this as proof that "to bother VERBing" is a legitimate idiomatic structure.
in fact, this may be another case in which there are two legitimate structures, but the test goes for the one that gets rid of undesirable repetition.
note that your suggested alternative contains "to" twice in the space of three words: "to bother to recover". that's considered "ugly" -- see here:
for instance:
Animal 1 will attack animal 2 if injected with enough of the hormones related to aggression.
--> in this sentence it is animal 1, not animal 2, that is being injected with hormones.
Can tend 错误
treat判断正确：后面是定语，不能要it
2、双主语错
3、tending错
5、it 错
for instance:
Animal 1 will attack animal 2 if injected with enough of the hormones related to aggression.
--> in this sentence it is animal 1, not animal 2, that is being injected with hormones.
1、and并列的是can和tends？
2、所以【researchers have discovered】充当的是什么呢？
1.对，2.可以看成插入语
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B:they无指代
c:tending并列错误
E:tend to do，it错误