“pǔ tōng huà jião xué shǒu duàn”（普通话教学手段）共有（）个辅音音素。
A.九
B.十一
C.十
D.八
参考答案：A
＿＿it is for us to see that he does his work so well!
A．What surprise
B．How surprise
C．What a surprise
D．How a surprise
在下面四种半导体存储器中，哪一种是动态随机存取存储器
A．DDR SDRAM
B．Flash ROM
C．EEPROM
D．Cache
