下列关于群体性治安事件的预防方法，哪一项说法不准确（）A、全面加强基层基础工作和情报

The cultures of the East and the West really disting­uish from each other a lot.This is because the culture systems are two separate systems ____.
The origin of the eastern cultures is mainly from two countries：China and India.Both of the two cultures are gestated(孕育) by ___.In China，the mother river is the Yellow River ___ the Indian one is the Hindu River.These two cultures were ____ for several thousand years and formed their own styles.Then in the Tang Dynasty of China，the Chinese culture ____ went overseas to Japan，____ into the Japanese society and ___ the Japanese culture nowadays.Though a bit different from the Chinese one，it ____ to the same system.
When the two mother rivers gave birth to the eastern culture，another famous culture was ____ on the Mesopotamian Plain(美索不达米亚平原)—the Mesopotamian Civilization.This civilization later on developed into the cultures of the Ancient Greece and Ancient Rome.And these two are well­known as the ____ of the European culture.____ the Chinese culture，the European one also ____ waters.When the colonists of England ____ in America，their culture went with them over the Atlantic Ocean.So the American culture doesn’t ___ from the European one a lot.
At the same time，the ____ of the language systems adds to the cultural differences.In the East，most languages belong to the pictographic(象形文字的) languages while the Western languages are ____ based on the Latin system，for example，the one I’m using to write this paper.
Other factors like human race difference ____ as well.However，___ the far distance and the steep areas between the East and West，the two cultures seldom ___ until recent centuries.____ they grew up totally in their own ways with almost no interference(干扰) from the other.

小题1:	A．above all B．on the whole C．in all D．in no case

小题2:	A．mountains B．plains C．lakes D．rivers

小题3:	A．or B．for C．while D．when

小题4:	A．developed B．improved C．created D．protected

小题5:．

A．suddenly	B．quietly
C．gradually	D．naturally

小题6:	A．mixed B．changed C．decided D．forced

小题7:	A．expanded B．interrupted C．influenced D．shaped

小题8:	A．comes B．belongs C．amounts D．adds

小题9:	A．brought up B．carried out C．given out D．picked up

小题10:

A．result B．sign C．base D．content

小题11:

A．Via B．Except C．With D．Like

小题12:

A．affected B．spread C．crossed D．formed

小题13:

A．joined up B．went up C．broke down D．settled down

小题14:

A．come B．suffer C．result D．differ

小题15:．

A．difference	B．development
C．appearance	D．feature

小题16:

A．properly B．partly C．simply D．mostly

小题17:

A．last B．count C．reduce D．change

小题18:

A．in terms of B．due to C．as to D．in case of

小题19:

A．transform B．display C．communicate D．distinguish

小题20:

A．Furthermore B．Meanwhile C．Therefore D．However