Whatcancausehearingloss?
A. Long-timeexposuretoearpressure.
B. Long-timeexposuretoloudsounds.
C. Listeningtomusicwithoutwearingfashionableearphones.
D. Listeningtomusicwithoutwearingspecially-madeearplugs.
Whatistheadvicefromthenewsreport?
A. Wearyourearphoneswhereveryougo.
B. Followthefashionofwearingearplugs.
C. Wearearplugsincaseofhigh-volumesounds.
D. Buyexpensiveearplugstoprotectyourhearing.
抗日战争开始后的首次大捷是()
A. 淞沪会战
B. 台儿庄大捷
C. 雁门关大捷
D. 平型关大捷
抗战初期国共合作抗日最典型的是()
A. 淞沪会战
B. 太原会战
C. 徐州会战
D. 武汉会战