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【单选题】
The Yangtze River, China’s longest, has been affected by a severe drought, _____ the lowest level of rainfall this year since 1961．A.
with
B.
for
C.
beyond
D.
besides
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【简答题】DAC访问控制完全基于访问者和对象的_________,MAC机制对于不同类型的信息采取________的安全策略,对不同类型的数据分布进行访问_______.
【单选题】Directions: Please match the following statements with the famous persons who said them. 2. “Whatever you do will be insignificant, but it is very important that you do it.”
A.
Juliet
B.
Socrates
C.
Mother Teresa
D.
Gandhi