腹痛的发生机制，哪种说法不准确A．腹痛的发生可分为内脏性腹痛、躯体性腹痛和牵涉痛三种

Could the Internet be totally free and should it be？Should the Internet be regulated？The recent disorder in the Arab world ____ by a disputed(有争议的) video damaging the image of Prophet(先知) Muhammad shows the United States，which is busy ____ global Internet freedom，has paid a huge price ____ the lives of its diplomats.
In an unregulated Internet world，cheating，violence or rumors can ____ serious consequences.Many countries across the world are periodically suffering from “rumors” ___ by the Internet and social media.
The US­led West always promotes Internet freedom and ____ any regulation as investigation，but it should think twice if it calculates the heavy price that has been and has to be paid for “____ Internet”．Moreover，____ the Internet in the West __9__ to be free，with no obvious ____ and no limited sites，isn’t the structure of the main pages already hand­controlled，with selected press agencies and ____ occupying clearly dominating(显著的) positions?
The Internet has helped fight injustice，____ corruption in places so far apart as Indonesia，India and Latin America.But the Internet could be extremely ____ as well.Various racist or separatist organizations are using their Internet sites to ____ strong feelings.Those who are spreading hate are frequently using the Internet as their tool.No country can ____ to make the Internet absolutely free.
The question is how to keep free flow of information ___ while protecting children from unhealthy works，common citizens from ____ rumors and countries from unfair and damaging propaganda(宣传) attacks.And who sets the limits?
The ____ is that there will never be a perfect system.Every country will have to ____ its own system，based on its culture，social ____ and the degree of danger it’s facing.

小题1:	A．led B．caused C．damaged D．attacked

小题2:	A．helping B．processing C．promoting D．improving

小题3:	A．for B．at C．with D．off

小题4:	A．bring B．reach C．fetch D．take

小题5:	A．spread B．exposed C．delivered D．passed

小题6:	A．supports B．follows C．opposes D．dislikes

小题7:	A．free B．accessible C．available D．healthy

小题8:	A．as if B．even if C．so that D．in that

小题9:	A．happens B．intends C．offers D．appears

小题10:

A．interruption B．interference C．defense D．preference

小题11:

A．programs B．substances C．channels D．sources

小题12:

A．uncover B．strike C．prevent D．avoid

小题13:

A．beneficial B．useful C．sensitive D．destructive

小题14:

A．increase B．decrease C．upset D．strengthen

小题15:

A．refuse B．afford C．fail D．attempt

小题16:

A．unpolluted B．unskilled C．unoccupied D．uninterrupted

小题17:

A．evil B．meaningful C．untrue D．effective

小题18:

A．importance B．conclusion C．description D．possibility

小题19:

A．develop B．invent C．change D．study

小题20:

A．trends B．structures C．surroundings D．factors