皮片的种类分为：________、________、________和________爱下问搜题

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皮片的种类分为：________、________、________和________。

答案

参考答案：刃厚皮片‖中厚皮片‖全厚皮片‖真皮下血管网皮片

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Almost everyone wants to get smarter. We struggle to improve our 16_ , intelligence and attention. We drink cup after cup of coffee to help us 17_ the day.
18 __, a new study published in Current Directions in Psychological Science warns that there are 19___ to how smart humans can get.
Each of our body parts develops in a certain way for a reason. 20 _, we are not 3 meters tall 21 _ most people’s hearts are not strong enough to send 22 _ up that high. Scientists say that our thinking ability works in the same way. A baby’s brain size is limited by a series of __23 , such as the size of the mother’s pelvis (骨盆). If our brains developed to be bigger, there could be more 24 during childbirth.
The study of Jews, who have an average IQ much _ 25_ than other Europeans, showed they were more _26_ to develop diseases of the _27_ system. This might be because of their increased brainpower.
If intelligence cannot be improved, can we at least get better at _ 28 _ ? Not really, say scientists. They studied _29_ like caffeine (咖啡因)that improve attention. They found the drugs only helped people with serious 30 _ problems. For those who did not have trouble paying attention, the drugs could have the 31 _ effect. Scientists say that this suggests there is a(n) 32 limit to how much people can or should concentrate.
Our memory is also a “double-edged sword”. People with extremely good memories could 33__ having a difficult life because they cannot _34 bad things that happen to them.
Thomas Hills, one of the authors of the paper, said that 35 all the problems in trying to get smarter, it’s unlikely that there will ever be a “super mind”.

B．get through

C．put through

D．carry through

A．For example

B．In addition

小题7:A. blood B information C. breath D. strength

B．concentrating

B．considering

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