以下有关混凝土工程工程量计算规则的说法中，正确的是（ ）。

Combating Financial Cybercrime There is a growing financial and economic threat, a threat to all countries, posed by international hacking attacks on computer systems. Apart from global oil, energy, petrochemical and retail companies, electronic banking systems have been one of the main ______【51】of such cyber attacks. Recently, the FBI investigated a series of______【52】in which the e-banking accounts of some small and medium - sized enterprises had been breached by cyber attacks and had their______【53】transferred. Morgan Stanley, the famous New York -based bank, also experienced a cyber attack on its network. Obviously, under such circumstances, cross - border cybercrime falls into a similar category as climate change, drug and people trafficking and IPR protection, in that, countries need to work together to______【54】this common and growing threat. Countries should be ready to make joint efforts and cooperate on legal enforcement to enhance cyber-security. To ensure the fund______【55】of customers, the banking sector must further strengthen its Internet banking business______【56】and constantly raise the level of cybersecurity so that it can repel cyber attacks. More importantly, banks should regularly ______【57】their customers with risk - warning information and strictly review the procedures of account -transfer and other financial transactions. Some______【58】of cybercrimes have even been telephoned and informed they were suspected of being involved in money laundering cases, in order to prove their ______【59】, they were required to open a new account on an Internet banking system and transfer their deposits into the new______【60】, or to transfer their money to a designated account set up by the criminals. Many banks frequently inform. customers never to give away their______【61】regardless of any messages they may get. The banking sector should further strengthen customer awareness about cybercrime prevention. As technology has rapidly developed, the Internet is entering a______【62】of cyber - politics and cyber - espionage, and even 'cyber - warfare' . Portraying Internet freedom as an important strategic 'asset' for politics, the US is planning to invest billions of dollars this year to help network users access websites blocked by some countries. But Internet freedom does not mean that anything can and should be revealed. There should be a proper balance between Internet freedom and oversight. Freedom is not absolute. Proper Internet management can protect netizens______【63】cybercrimes. Combating cybercrimes is a common task for all governments. It is good news that there was a discussion on cybersecurity in Deauville, France, during the G8 meeting. French President Nicolas Sarkozy told the leaders of Facebook, Google and other technology companies to support greater rule of law on the Web in such a way that______【64】would not be harmed. Also, the US and UK proposed new schemes to force Internet companies to block websites that facilitate online piracy. The prevention of cybercrime is no easy task. This is a whole new field______【65】needs consistently evolving, long-term global collaboration.(51)A．blocksB．targetsC．demandsD．courses 点击查看答案

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