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【判断题】
相对于搜索引擎首页的简单检索而言,高级检索界面提供更为丰富的检索功能,相对高级检索语法而言,高级检索界面提供可视化的功能选项,不用记复杂的检索语法规则,因此对用户尤其是入门用户来说,通过搜索引擎的高级检索界面检索是提高检索效率的合适选择。 A. 错误 B. 正确A.
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【简答题】A. 电子商务安全从整体上可分为计算机网络安全和() 两大部分。 B. 商务交易安全 C. 计算机硬件安全 D. 运行安全
【简答题】电子商务安全从整体上分为：（）和交易安全。
【简答题】电子商务安全从整体上分为:( )安全和( )安全。
【单选题】Complete the table by matching the phrases below. Select the appropriate phrases from the answer choices and match them to the type of music to which they related. TWO of the answer choices will NOT b...
A.
With this music, drivers would drive very aggressively.
B.
With music, drivers feel so relaxed that they cannot realize the dangers.
C.
This music makes drivers adopt a very hostile attitude.
D.
This music helps drivers to concentrate when they are driving for a long time and feeling very bored.
E.
The speed of driving is controlled by the pace and beat of music.
F.
Drivers would go across the lane markings without realization.
G.
Drivers tend to speed and brake in a sudden move.
H.
This music makes drivers sleepy, lose concentration and even fall into a nap.
I.
This music is very helpful to drivers when they are drivin The word symptoms in Paragraph 1 is closest in meaning to _____. A．distresses B．indications C．reasons D．representatives
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