题目内容

A．To receive cards made by hand.B．To get friends' cards on her birthday.C．To send the

A. To receive cards made by hand.
B. To get friends' cards on her birthday.
C. To send the cards to her friends in other countries.
D. To make some cards all by herself.

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在分布式环境中实现身份认证可以有多种方案，以下选项中最不安全的身份认证方案是(45)。

A. 用户发送口令，由通信对方指定共享密钥
B. 用户发送口令，由智能卡产生解秘密钥
C. 用户从KDC获得会话密钥
D. 用户从CA获得数字证书

股票期权属于()。

A. 当期支付
B. 工资
C. 延期支付
D. 社会保险

国民经济和社会发展计划是城市总体规划实施的保证。()

A. 正确
B. 错误

The work stoppage, which took effect early Friday, is expected to affect up to 30,000 passengers. Officials with Aeromexico say they are working to put their passengers on other airline’s flights to avoid delays.
But the strike has already triggered long lines and confusion at Benito Juarez International Airport in Mexico City. The 1,500 stricking flight attendants are demanding a pay raise of at least 15 percent. Aeromexieo says it is only willing to give a raise of 8.5 percent.
The Mexican government has not intervened in the strike. But it has the prerogative to do so if it considers the airline to be vital to the nation’s economy.
How many passengers will be affected by the strike？

A. 13,000.
B. 30,000.
C. 1,500.
D. 5,000.