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问题 选择题

在《测定电池的电动势和内电阻》的实验中，待测电池、开关和导线配合下列哪些仪器.可以达到测定目的( 　　　 )

A．一只电流表和一只滑动变阻器

B．一只电流表和一只电压表

C．一只电流表和一只电阻箱

D．一只电压表和一只电阻箱

答案

BCD 

题目分析：A选项采用的滑动变阻器因不知其阻值，所以无法求得.

采用B选项，原理：联立可求得.

采用C选项，原理：联立可求得

原理：联立可求得.而D选项正确，

点评：该题为《测定电池的电动势和内电阻》的实验提供了创新性思路，更检查了学生对闭合回路的欧姆定律的掌握情况，是一道非常好的基础性题目

单项选择题 A1/A2型题

烧伤后患者出现的高血糖与下面哪种激素有关（）。

A.胰高血糖素分泌减少

B.胰岛素分泌减弱

C.皮质醇分泌减少

D.儿茶酚胺分泌减少

E.生长激素的活性降低
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填空题


What are the challenges facing multinationals that want to build their brands in China —I think the first thing is ignorance. There’s a huge (1) of the complexity in China, which is more complex than Europe. There are different rules of law, which (2) a significant factor. There are different (3) , Cantonese and Mandarin and lots of others in (4) , and dialects like Sichuan versions. You have problems of distribution. (5) Chinese brands have been (6) local because of the size of the market and the transportation system, What’s (7) built up there is a sort of a pride in localness.
How can companies build their brands in China —China is a place where (8) have to be very patient and you’ve got to build (9) time. You can’t go in (10) invest short-term and then pull out (11) then try to get back in (12) . It’s about being consistent, steady, building (13) reputation, building confidence and then rewards will (14) . It’s a consistent ability to anticipate need. It’s insightfulness that helps brands to (15) ahead.
How are local Chinese brands doing against the multinationals —China’s been built (16) local brands and there are a billion of them and they are (17) spending sums of money locally that really dominate the (18) . But the future is Chinese brands moving outside of (19) and marketing globally, because China’s got to move from a commodity economy to a (20) sophisticated economy, which fundamentally (21) brands. There isn’t a major economy in the world that (22) based upon producing great brands, because they provide far better margins and more sustainable (23) .
Has Asia produced any truly global brands —Japan has. Some of the major companies (24) do really very well with brands. In Korea, some of them (25) but some of them need to catch up in terms of understanding how to really build global brands.
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