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【单选题】
普通混凝土抗压强度试件( )为标准试件A.
边长为100mm的立方体试件
B.
边长为200mm的立方体试件
C.
边长为120mm的立方体试件
D.
边长为150mm的立方体试件
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举一反三
【单选题】Linguistics is the scientific study of（ ）.
A.
a particular language
B.
the English language
C.
human languages in general
D.
the system of a country
【单选题】红色光、橙色光有利于(茶)的合成,对()品质有利。 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: ...
A.
叶绿素；绿茶 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
B.
氨基酸；绿茶 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
C.
茶多酚；红茶 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
D.
芳香物质；乌龙茶 @font-face { font-family: "Times New Roman";}@font-face { font-family: "宋体";}@font-face { font-family: "Calibri";}@font-face { font-family: "微软雅黑";}p.MsoNormal { margin: 0pt 0pt 0.0001pt; text-align: justify; font-family: Calibri; font-size: 10.5pt; }span.msoIns { text-decoration: underline; color: blue; }span.msoDel { text-decoration: line-through; color: red; }div.Section0 { }
【单选题】General linguistics is the scientific study of _____.
A.
a. language of a certain individual
B.
b. the German language
C.
c. human language in general
D.
d. the system of a particular language
【单选题】设某随参信道的最大多径时延差等于5ms,为了避免发生选择性衰落,试估算在该信道上传输的数字信号的码元脉冲 宽度()
A.
20 ~ 35ms
B.
1 ~ 10ms
C.
15~ 25ms
D.
0~ 15ms
【单选题】设某随参信道的最大多径时延差等于5ms，为了避免发生频率选择性衰落，试估算在该信道上传输的数字信号的码元脉冲宽度（）。
A.
1~10ms
B.
0~15ms
C.
15~25ms
D.
20~35ms
【简答题】只要技术进步，经济就可以实现持续增长。( )
【单选题】未达账项,是指企业和银行之间在办理结算手续和记账时间上( )的账项。
A.
发生错误、使双方登账出现错误
B.
均未入账
C.
完全一致,造成一方重复登记入账
D.
一方已登记入账,另一方未登记入账造成不一致
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