皮皮学，免费搜题
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【多选题】
5从某网店卖一套汽车坐垫,货到拆封后,因不喜欢花色款式,多次与网店交涉要求退货。网店的下列哪些回答是违法的( )A.
客户下单时网店曾提示一经过拆封，概不退货。故对已拆封产品不予退货
B.
该商品无质量问题，花色款式为客户自选，退货理由不成立，不予退货
C.
如网店同意退货，客户应承担退货的运费
D.
如网店统一退货，货款只能在一个月后归还
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】当一个Web控件上发生的事件需要立即得到响应时,应该将它的_属性设为true。
A.
PostBack
B.
IsPostBack
C.
AutoPostBack
D.
以上都不对
【单选题】施工承包方式的典型模式为（ ）。
A.
“设计+施工”
B.
“设计+招标+施工” $amp>amp>amp>amp>amp$gt
C.
“设计采购建造”
D.
“工厂设备与设计+施工”
【多选题】How do enzyme-coupled receptors work?
A.
Enzyme-coupled receptors are transmembrane proteins that display their ligand-binding domains on the outer surface of the plasma membrane. The cytoplasmic domain of the receptor either acts as an enzyme itself or forms a complex with another protein that acts as an enzyme.
B.
Enzyme-coupled receptors were discovered through their role in responses to extracellular signal proteins that regulate the growth, proliferation, differentiation, and survival of cells in animal tissues.
C.
Most of these signal proteins function as local mediators and can act at very low concentrations (about 10ˉ 9 to 10ˉ 11 M). Responses to them are typically slow (on the order of hours), and their effects may require many intracellular transduction steps that usually lead to a change in gene expression.
D.
The largest class of enzyme-coupled receptors consists of receptors with a cytoplasmic domain that functions as a tyrosine kinase, which phosphorylates particular tyrosines on specific intracellular signaling proteins. These receptors, called receptor tyrosine kinases (RTKs).
【简答题】当一个 Web 控件上发生的事件需要立即得到响时,应该将它的 AutoPostBack属性设置为()。
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