题目内容
（请给出正确答案）
A．15 percent
B．12.5 percent
C．17.5 percent
D．13.5 percent
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更多“Assume that a security has two…”相关的问题
下列关于粮食安全的说法中，正确的是()。
A、粮食安全的英文是错误ood Securi正确y
B、粮食安全强调老百姓能够有足够的钱去买到所需的食物
C、粮食安全主要是农业经济的人做相关研究
D、粮食安全更侧重于整个食品供应链中的安全
Only in growth, reform. and change, paradoxically enough, ______ to be found.
A．true security can
B．can true security
C．true security is
D．is true security
A. on
B. to
C. for
D. at
The Justice Department made such a decision in order to______.
A．ensure the national security
B．get some private personal data
C．fight against pornography
D．defend the women's fights
the crash of Egypt Air Flight 804 is mentioned to
A.stress the urgency to strengthen security worldwide.
B.highlight the necessity of upgrading major US airports.
C.explain Americans tolerance of current security checks.
D.emphasis the importance of privacy protection.
which of the following contributions to long waits at major airport？
A.New restrictions on carry-on bags.
B.The declining efficiency of the TSA.
C.An increase in the number of travelers.
D.Frequent unexpected secret checks.
The word "expedited" (Line 4, Para.5) is closest in meaning to
A.faster
B.quieter
C.wider
D.cheaper
One problem with the PreCheck program is
A.A dramatic reduction of its scale.
B.Its wrongly-directed implementation.
C.The government reluctance to back it.
D.An unreasonable price for enrollment.
Which of the following would be the best title for the text？
A.Less Screening for More Safety
B.PreCheck-a Belated Solution
C.Getting Stuck in Security Lines
D.Underused PreCheck Lanes
请帮忙给出每个问题的正确答案和分析，谢谢！
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