皮皮学，免费搜题
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【单选题】
下列哪个不是直通车关键词质量的影响因素( )A.
宝贝上架时所选的类目属性一定要正确、完整
B.
宝贝标题的优化要考虑流量大的关键词或是热门搜索词
C.
能够提高点击率的、有促销文字和创意的图片
D.
间断性推广
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】The park was 1 ( fill) with people talking on their cell phones. They were 2 (pass) other people without looking at them, 3 ( say) hello, noticing their babies or 4 ( stop) to pet their puppies. Evi...
【单选题】A user reports that when the phone rings in their house the wireless on their laptops becomes disconnected. Which of the following BEST describes the issue?（）
A.
The cordless phones are plugged into same outlet as the router
B.
The cordless phones are 5.8Ghz which interferes with wireless
C.
The cordless phones are 2.4Ghz which interferes with wireless
D.
The cordless phones are plugged into the RJ-11 jack
【单选题】数字滤波器 从单位脉冲响应长度分类,可分为 : __________ 滤波器和 __________ 滤波器。()
A.
带阻滤波器；无限长单位脉冲响应 (IIR)
B.
无限长单位脉冲响应 (IIR) ；有限长单位脉冲响应(FIR)
C.
带通滤波器；带阻滤波器
D.
带通滤波器； 有限长单位脉冲响应(FIR)
【多选题】A client states they are receiving poor signal strength on their wireless Internet connection. Which of the following is MOST likely causing the interference?（）
A.
Cordless phones
B.
Drywall
C.
Access points
D.
Microwaves
E.
Fluorescents lights
【判断题】数字滤波器从单位脉冲响应长度分类,可分为无限长单位脉冲响应(IIR)滤波器和有限长单位脉冲响应(FIR)滤波器,其中FIR滤波器系统中存在反馈回路。
A.
正确
B.
错误
【简答题】Directions: Using the given words to complete the following paragraph.（每题2分, 共10分） The park was filled with people talking ____1____ their cell phones. They were passing other people ____2____ looking...
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