题目内容
在进行一项统计活动整体设计的时候，首先应该考虑统计力量的组织和安排。()
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问卷是一连串有系统、有顺序、有目的的题目或题组的集合，其目的在于收集研究者所需要的资料。()
The United States is well-known for its network of major highways de signed to help a driver get from one place to another in the shortest possible time.【C1】______ these wide modern roads are generally【C2】______ and well maintained, with【C3】______ sharp curves and straight sections, a direct route is not always the most【C4】______ one. Large highways often pass 【C5】______ scenic areas and interesting small towns.【C6】______ , these highways generally【C7】______ large urban centers, Which means that they become crowded with【C8】______ traffic during rush hours,【C9】______ the "fast, direct" route becomes a very slow route.
However, there is almost always another route to take【C10】______ you are not in a hurry. Not far from the【C11】 ______ new" superhighways", there are often older,【C12】______ heavily traveled roads which go through the 【C13】______ .【C14】______ of these are good two lane roads; others are【C15】______ roads curving through the country. These secondary routes may go up【C16】______ slope, along high【C17】______ , or down【C18】______ hillside to towns 【C19】______ in deep valleys. Through these less direct routes, longer and slower, they generally go to places【C20】______ the air is clean and scenery is beautiful, and the driver may have a chance to get a fresh, clean view of the world.
【C1】
核心产品是指【 】
基本单位是指在我国领土内拥有—定活动场所并从事—定生产经营活动的经济单位。 ()
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