【单选题】对于一般土体,采用分层总和法计算地基最终沉降量时,压缩层厚度取( )。
【单选题】Compared to other ceramic materials, ceramic-matrix composites have better or higher:
B.
stability at elevated temperatures
【单选题】某企业1999年7月1日购入甲公司1998年1月1日发行的三年期一次还本付息的公司债券,进行短期投资。该债券面值为100000元,年利率9%。购买价120000元,支付手续费。税金等相关费用2000元。该债券投资的入账价值为( )元。
【多选题】For a ceramic compound, what are the characteristics of the component ions that determine the crystal structure?
A.
the magnitude of the electrical charge on each ion
B.
the numer of atoms in ceramic
C.
the relative sizes of the cations and anions
D.
the weight of atoms in ceramic
【单选题】The underlined words 'make-it-yourself' in 'Ceramic Works' means ______.
A.
showing first-class ceramics
B.
making ceramic works oneself
C.
making the largest vase
D.
seeing first-class ceramic works