电火花线切割加工的应用范围包括( )
A. 模具
B. 电极
C. 金属零件
D. 塑料零件
Whatisthepurposeofthejournalist'svisittoJapan?
A. Toaskthepatientsabouttheirmedicaltreatment.
B. TocomparethecitiesinJapanwithothercitiesintheworld.
C. Tointerviewthemayorabouttheimpactoftheatomiccataclysm.
D. TofindthedfferencesbetweenoldJapanandmodernJapan.
Whyistheword"liveliest"inthetitleputinquotationmarks?
A. Becauseitmustbeemphasized.
BecauseitstandsforHiroshima.
C. Becauseitwaswhatthecitywassaidtobe.
D. Becauseitwasquotedfromanotherarticle.
Whatdoesthejournalist'sreactiontohissteppingonHiroshimaindicate?
A. Hewassufferingphysically.
B. Hewasveryguiltyoftheatomiccataclysm.
C. Hewasscaredofthereportingassinment.
D. Hewastiredofthestationmaster'sshouting.