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当前学科：互联网软件应用与开发(网络程序设计)
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QueryString获取方法、Form 获取方法获取的数据子类型分别是：（ ）。
A. 字符串、字符串
B. 根据具体值而定
C. 数字、字符串
D. 字符串、数字
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下列酒炙类药物，又可盐炙，增强补肝肾的是（）---答案：C
下列测量点中，不属于管线定位主点的是（）。
郭嘉是谁举荐给曹操的？
有关冷媒叙述下列何者有误（）
活、鲜或冷的暗色刺参的种苗
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：
素描按表现方式可分为？（）
市场经济运行过程中，竞争与合作是相互依赖的共生状态。这表明（）