能穿过胎盘的螺旋体是（）
A.雅司螺旋体
B.回归热螺旋体
C.奋森螺旋体
D.梅毒螺旋体
E.伯氏疏螺旋体
参考答案：D
You're too fat. You should eat ____ fruit and vegetables and ____ meat. [ ]
A. some; more
B. more; less
C. less; more
D. less; some
“6.5”X183次行邮专列火灾事故概况？
