以下能正确定义数据类型TelBook的代码是： A: Type TelBook Dim Name As String * 10 Dim TelNum As IntegerEnd Type B: Type TelBook Name As String * 10 TelNum As IntegerEnd Type C: Type TelBook Name As String * 10 TelNum As IntegerEnd TelBook D: Type TelBook Name As String * 10 TelNum As IntegerEnd Type TelBook

以下能正确定义数据类型TelBook的代码是：____。 A: Type TelBook<br/>Dim Name As String * 10<br/>Dim TelNum As Integer End Type B: Type TelBook<br/>Name As String * 10<br/>TelNum As Integer End Type C: Type TelBook<br/>Name As String * 10<br/>TelNum As Integer End TelBook D: Type TelBook<br/>Name As String * 10<br/>TelNum As Integer End Type TelBook

以下能正确定义数据类型TelBook的代码是______。 A: A) Type TelBook B: Name As String*10 C: TelNum As Integer D: End Type E: B) Type TelBook F: Name As String*10 G: TelNum AS Integer H: End TelBook I: C) Type TelBook J: Name String*10 K: TelNum Integer L: End Type TelBook M: D) Typedef TelBook N: NameString*10 O: TelNum Integer P: EndType

以下能正确定义数据类型TelBook的代码是

应用GDB调试工具对telBook.c进行调试，采用的编译命令是

比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C

下列哪种主链骨架原子排列最能代表两个肽键?() A: Cα—N—Cα—C—Cα—N—Cα—C B: Cα—N—C—C—N—Cα C: C—N—Cα—Cα—C—N D: Cα—C—N—Cα—C—N E: Cα—Cα—C—N—Cα—Cα—C

比较C≡C(Ⅰ),C=C(Ⅱ),C─C(Ⅲ),C=C─C=C(Ⅳ)的键长次序为( )。 A: Ⅰ＞Ⅱ＞Ⅲ＞Ⅳ B: Ⅲ＞Ⅱ＞Ⅳ＞Ⅰ C: Ⅲ＞Ⅳ＞Ⅱ＞Ⅰ D: Ⅳ＞Ⅲ＞Ⅱ＞Ⅰ

不稳定的一类化合物是: C≡C|C－C|C＝C|C＝C－C＝C|C＝C＝C

NaNH4HPO4水溶液的质子条件式为 A: c(H+)+c(H2PO4-)+2 c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) B: c(H+)+c(H2PO4-)+ c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) C: c(H+)+c(NH3)+ c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-) D: c(H+)+c(NH3)+ 2c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-)