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【判断题】
目前数控加工精整加工精度已提高到0.1μmA.
正确
B.
错误
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举一反三
【多选题】基于路由器的防火墙使用访问控制列表实现过滤,它的缺点有:( ) 。
A.
路由器本身具有安全漏洞
B.
分组过滤规则的设置和配置存在安全隐患
C.
无法防范“假冒”的地址
D.
对访问行为实施静态、固定的控制与路由器的动态、灵活的路由矛盾
【单选题】______ the local authorities put more attention to the safety of the children, more than 20 lives __________ in Gansu Province.
A.
Should, would not be claimed
B.
Had, would not have been claimed
C.
Should, would not be cost
D.
Had, would not have been cost
【简答题】Nowadays, food safety problems like melamine in baby formula milk powder have caused more and more concern all over the country. Though the Food Safety Law is improving, food safety problems still hap...
【简答题】利用生态系统中物质循环和能量流动的原理，走“可持续发展”道路是人类的必然选择。下圈是某人工鱼塘生态系统能量流动图解(能量单位为：J/cm 2 ·a)。请回答： (1)该生态系统的结构包括_______。此生态系统的功能是_________。 (2)图中A代表__________，为保证各营养级都有较高的输出量，随营养级的升高，输入的有机物应增多，原因是___________。 (3)该生态系统中生...
【单选题】Some social workers think that______.
A.
health and safety are more important than personal freedom
B.
personal freedom is more important than health and safety
C.
old people should keep their rooms clean
D.
one should not take risks dealing with old people
【多选题】下列各项中，属于银行不予受理的情形有( )。
A.
更改金额的结算凭证
B.
中文大写金额与阿拉伯数字金额不一致的票据
C.
出票日期使用阿拉伯数字小写填写的票据
D.
中文大写出票日期未按要求填写的票据
【单选题】Some social workers think that .
A.
health and safety are more important than personal freedom
B.
personal freedom is more important than health and safety
C.
old people should keep their rooms clean
D.
one should not take risks of dealing with old people
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