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【简答题】
根据消费者权益保护法规定，经营者提供的商品或者服务不符合质量要求的，消费者可以() A.依照国家规定、当事人约定退货 B.要求经营者履行更换、修理等义务 C.没有国家规定和当事人约定的，可以自收到商品之日起7日内退货 D.要求经营者承担因退货、更换、修理产生的运输等必要费用
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皮皮学刷刷变学霸
举一反三
【简答题】如图所示同步RS触发器的电路符号【图片】红色圈中的标注表示时钟脉冲CP为 有效（输出才能受输入影响），【图片】D 【图片】D两个输入端是优先级最高的直接置位和复位端。
【简答题】相比于膜脂的其他运动形式,膜脂的翻转运动在质膜上很少发生。但在以下哪种细胞器的膜上,膜脂翻转运动频率最为频繁(
)A. 高尔基体 B. 内质网 C. 核被膜 D. 溶酶体
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
teach electronic engineering management
B.
train employees to be acquainted with e- commerce
C.
train employees to be engineers and managers
D.
teach employees about developing a partnership
【多选题】以下关于 “图层”说法正确的是 ( )。
A.
编辑网页时,图层可以在页面的任一位置放置。
B.
“拖动层 ”可以在网页为浏览状态时被鼠标随机地拖动。
C.
图层允许嵌套,即在一个图层上创建新图层。
D.
图层可以插入图片、文本、但不能插入表格。
【简答题】写出下面程序的运行结果 import java.io.*; public class abc { public static void main(String args[ ]) { AB s = new AB("Hello!","I love JAVA."); System.out.println(s.toString( )); } } class AB { String s1;...
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
children born in the 1970s would display more violent behavior. than other children
B.
children who like to push and shove others when fighting would develop violent behavior. quickly
C.
young adults are the group of people who are most influenced by violent TV
D.
young people who watched violent TV shows in childhood tend to become aggressive
【单选题】Section B Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You shoul...
A.
realistic literature
B.
romantic literature
C.
funny circus
D.
savage fighting
【单选题】将30mL 0.5mol/L NaCl溶液加水稀释到500mL,稀释后溶液中NaCl的物质量浓度为
A.
0.03mol/L
B.
0.3mol/L
C.
0.05mol/L
D.
0.04mol/L
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