As one of the pillar industries，auto industry has been influencing the whole national economy．Since the reform and opening up，China’s auto industry，oriented towards the market，has made long-stride progress． China established its auto industrial system in the period of planned economy，mainly for the production of cargo vehicles．In recent years，in order to stimulate people’s consumption，spur the market and enlarge domestic demands，our country has impelled the development of auto industry as one of the two pillar industries．Chinese auto industry has unfolded such features as great domestic market potentials，high degree of inter-relations with other industries and strong capability of fund accumulations． With quick development of national economy and further reform of economic system toward market economy，there are some disadvantages as well，such as the trend of duplicated construction and blind launch of new projects．However，with merger and acquisition in auto industry gaining momentum，the deficiency has been curbed．Because the structure of auto consumption market has changed significantly，and private purchase has increased， the focus of competition among auto manufacturers is being shifted to product grade，function，performance and quality． It is undoubted that China’S auto industry is playing a more and more important role in the whole national economy．Aithough the prospect is bright，we have to bear in mind that there is a long way to go compared with the world’s advanced level．
第14题: [单项选择]下列哪一种物质可以用作人工主动免疫（） A. 佐剂 B. 类毒素 C. 肉毒毒素 D. 外毒素 E. 抗毒素 参考答案:B 答案解析:人工主动免疫是指给动物接种疫苗，刺激机体免疫系统发生应答反应，产生特异性免疫力。与人工被动免疫比较而言，所接种的物质不是现成的免疫血清或卵黄抗体，而是刺激产生免疫应答的各种疫苗制品，包括疫苗、类毒素等
第24题: [单项选择]在微机中，SSD的含义是______。 A. 硬盘型号 B. 光驱型号 C. 固态硬盘的简称 D. 显示器型号 参考答案:C 答案解析:SSD是solid state disk(固态硬盘)的缩写，即用固态电子存储芯片阵列制成的硬盘，由控制单元和存储单元(DRAM或FLASH芯片)两部分组成，故选项C正确。
