根据游乐设施的性能、结构及运行方式的不同，必须设置相应形式的安全装置，不属于安全装置的是（）
A、安全带B
暂无解析
YourfirmhasbeenrecommendedtousbytheJamesOlivier&Co.____wehavedonebusinessformanyyears
Werefer___youletterofMay2.
IntheGrammar-TranslationMethod,understandingandmemorizationof_____________wereregardedasimportantmeansofdevelopingmentality.
________inthought,healmostranintothecarinfrontofhim.
NeitherEnglishnorChinese________difficulttolearn.
