病人语声喑喑然不彻者,为( )
A.头中病 B.腹中病 C.骨节间病 D.心膈间病
参考答案:D
This student wrote ______ composition (作文) last week. [ ]
A. a 800-word
B. an 800-words
C. an 800-word
D. a 800-words
15+125÷5和(15+125)÷5的运算顺序不同,计算结果也不同.______.(判断对错)