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【单选题】
对于粘在义齿组织面不易去净的石膏,可用下列何种溶液浸泡24小时去除干净A.
3％碳酸氢钠溶液
B.
30％碳酸氢钠溶液
C.
3％枸橼酸钠溶液
D.
30％枸橼酸钠溶液
E.
3％氢氟酸溶液
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A.
Father's incorporated.
B.
Divorce Rate.
C.
Single-parent families.
D.
Children's care in single-parent families.
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【单选题】听力原文： Most sillgle-Parent families result when a marriage ends in divorce. (29)In most cases the divorced parents decide who will have the children. (30)About 85 percent of the children live with thei...
A.
Father's incorporated.
B.
Divorce Rate.
C.
Single-parent families.
D.
Children's care in single-parent families.
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A.
正确
B.
错误
【单选题】程序定义为:void T0_svr(void) interrupt 1 using 1请问下面说法哪个是错误的( )。
A.
T0_svr无入口参数、无返回值
B.
T0_svr为中断函数，中断类型号是1，中断入口地址为000BH
C.
T0_svr不能被其他函数调用，但是可以被主函数call T0_svr调用
D.
T0_svr工作寄存器组是1组
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