【C3】A．fixedB．balancedC．stableD．stationary

What is the function of an engine’s stationary parts？A.To add power to the engineB.To keep

Meaning is a relatively stable element in a language compared with spelling.（)

【C17】A．mildB．gracefulC．stableD．smooth

请在第__（55）__处填上正确答案。 查看材料A.reliableB.stabl

Family life in Zimbabwe is not stable.A. RightB.

_________(52)A.stable B.splendidC.smooth D.compli