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A2型题 男性，60岁，排尿困难3个月，体检发现前列腺变硬，为排除前列腺癌，最有价值的实验室检查是（）.
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在窗体上添加一命令按钮，其名为Command1，然后编写代码如下： private Sub Command1_Click() Dim arr(5)As Integer，arr1(5)AS Integer n=3 For i=1 To 5 arr(i)=i arr1(n)=2*n+i Next Print arr1(n)；art(n) End Sub 程序的运行结果为
简答题 简述历史观的基本问题和唯物史观创立的伟大意义。
How much sleep does a person need (31) the physiological bases of the need for sleep remain conjectural (猜想), rendering conclusive answers to this question impossible, much evidence has been gathered on how much sleep people do in fact obtain. Perhaps the most important conclusion to be (32) from this evidence is (33) there is great variability among individuals in total sleep time. For adults, (34) between six and nine hours of sleep as a nightly average is not unusual, and 7.5 hours probably best expresses the norm. Such norms, of course, forms inevitably vary with the criteria of sleep employed. The most (35) and reliable figures on sleep time, including those cited here, come from studies in sleep laboratories, where EEG criteria are employed. (36) consistently has been associated with the varying amount, quality, and pattern of electrophysiologically defined sleep. The newborn infant may spend an average of about 16 hours of each 24-hour period in sleep, (37) the sleep time drops sharply; by two years of age, it may (38) from nine to 12 hours. Decreases to approximately six hours have been observed among the elderly. (39) will be discussed from below, EEG sleep studies have indicated that sleep can be considered to consist of several different stages. Developmental changes in the relative proportion of sleep time (40) in these sleep stages are as striking as age-related changes in total sleep time.
论述题 在新民主主义革命时期，只有当民族资产阶级拥护革命时，才要保护民族资本主义。
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