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当前学科：国际贸易
题目：
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根据《INCOTERMS2000》的解释，出口方负责办理进口清关手续的贸易术语是（）。
A . FAS
B . EXW
C . FCA
D . DDP
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推荐知识点:
产生旅游供求季节矛盾的主要原因是：旅游供给设施的常年性、资源的季节性与旅游需求的季节性。
熟石膏调拌时的水粉比例为（）
回答题: Exercise Being Good or BadCan exercise be a bad thing? Sudden death during or soon after strenuous exertion on the squash court or on the army training grounds, is not unheard of. 51 trained marathon runners are not immune to fatal heart attacks. But no one knows just 52 common these sudden deaths linked to exercise are. The registration andinvestigation of such 53 is very patchy; only a national survey could determine the true 54 of sudden deaths in sports. But the climate of medical opinion is shifting in 55 of exercise, for the person recovering from a heart attack as 56 as the average lazy individual. Training can help the victim of a heart attack bylowering the 57 of oxygen the heart needs at any given level of work 58 the patient can do more before reaching the point where chest pains indicate a heart starved of oxygen. The question is, should middle-aged people, 59 .particular, be screened for signs of heart disease before 60 vigorous exercise?Most cases of sudden death in sport are caused by lethal arrhythmias in the beating of the heart, often in people 61 undiagnosed coronary heart disease. In North America 62 over 35 is advised to have a physical check-up and even an exercise electrocardiogram. The British, on the whole, think all this testing isunnecessary. Not many people die from exercise, 63 , and ECGs ( 心电图 ) are notoriously inaccurate. However, two medical cardiologists at the Victoria Infirmary in Glasgow, advocate screening by exercise ECG for people over 40, or younger people 64 at risk of developing coronary heart disease. Individuals showing a particular abnormality in their ECGs 65 , they say, a 10 to 20 times greater risk of subsequently developing signs of coronary heart disease, or of sudden death.第51题应选：
允许速度不超过160km/h的线路，桥上无缝线路应定期测量长轨条的爬行量，并做好记录，固定区爬行量超过（）时，应分析原因，及时整治。
煤中的硫通常以四种形态存在：单质硫（S），有机硫（与C、H、O等元素组成的复杂化合物），黄铁矿硫（FeS2），和硫酸盐硫（CaSO4、MgSO4和FeSO4等）。
国务院常务会通过《突发公共卫生事件应急条例》的时间是（）
印花税共有13个税目，分别适用比例税率和定额税率，购销合同适用税率为（）。
女，21岁，临床诊断为风心病二尖瓣狭窄，心电图为快速性心房颤动。下列哪项描述是正确的（）
起重机停放或行驶时，其车轮、支腿或履带的前端或外侧与沟、坑边缘的距离不得小于沟、坑深度的（）倍；否则应采取防倾、防坍塌措施。
四川省拥有历史文化名城32座，其中，省级的有哪些？