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【单选题】
(p. 15) Which of the following statements about how technology has positively influenced service is true?A.
Technology provides approaches for delivering existing services in more accessible, convenient, productive ways
B.
Technology facilitates basic customer service functions
C.
Technology facilitates transactions by offering a direct vehicle for making purchases
D.
Technology provides an easy way for customers to learn and do research about products and companies
E.
All of the above statements about how technology has influenced service are true
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皮皮学刷刷变学霸
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【多选题】被子植物的叶趋于复杂化，特征为_____。
A.
多为着生方式复杂的单叶；
B.
多为大型羽状复叶；
C.
脉序具有多重结构，以羽状、平形状为主；
D.
脉序具有多重结构，以网状为主
【单选题】() at the meeting are some experienced teachers.
A.
Presented
B.
Having been present
C.
Being presented
D.
Present
【简答题】当温度升高到一定程度后,材料的压电特性将消失。压电材料开始失去压电特性的温度称为 。
【简答题】作业:Safari浏览器图标绘制 样例(点击图片查看大图):