阿米巴病人
A.大便为水样便B.黏液脓血便C.不消化样大便D.米泔水样便E.果酱样大便
参考答案:E
解析:阿米巴痢疾以多量腥臭,暗红色果酱样大便为特征。
Some pre-school children go to a day care center,___________ they learn simple games and
songs. [ ]
A. then
B. there
C. while
D. where
矿山爆破中多用()。
A.松动爆破
B.标准抛掷爆破
C.加强抛掷爆破