窗体上有两个名称分别为Text1、Text2的文本框，一个名称为Command1的命令按钮。程序运行后的窗体外观如图16-4所示。 设有如下的类型声明： Type Person name As String*8 major As String*20 End Type 当单击“保存”按钮时，将两个文本框中的内容写入一个随机文件Testdat中。设文本框中的数据已正确地赋值给Person类型的变量p。则能够正确地把数据写入文件的程序段是______。
A. Open "C:\Test29. dat" For Random As #1 Put #1, 1, p Close #1
B. Open "C:\Test29. dat" For Random As #1 Get #1, 1, p Close #1
C. Open "C:\Test29. dat" For Random As #1 Len=Len(p) Put #1, 1, p Close #1
D. Open "C:\Test29. dat" For Random As #1 Len=Len(p) Get #1, 1, p Close #1
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建筑物的寿命分为自然寿命和经济寿命。其中，建筑物的自然寿命是指建筑物从建成之日起到所有构件不堪使用时的年数。 ()
A. 正确
B. 错误
由于日元对英镑贬值,致使英国产品的价格竞争力降低,这是汇率风险中的交易风险。()
A. 正确
B. 错误
The ability of a bond issuer to service its debt refers to______.
A. the issuer's agreement to convert the bond into common stocks at the bondholder's request
B. the issuer's willingness to issue a new bond whenever an existing bond is either lost or destroyed
C. the issuer's readiness to fix the coupon rate whenever interest rates are falling
D. the capacity of the issuer to make timely interest payments and repay the bond's principal on the scheduled maturity date
药物治疗临床症状消失，实验室检查正常后改为
A. 停药
B. 饮食疗法
C. 维持量至成人后停药
D. 治疗量，终身用药
E. 维持量，终身用药
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