柏拉图认为（）是教育所要培养的主要品质。
A、信仰、忠诚和诚实
B、威严、礼仪和勇敢
C、道德、科学和严谨
参考答案：B
5岁患儿，发热一天，全身不适，继而出现皮肤红色斑疹，数小时后变为丘疹，很快发展为疱疹，周围红晕，壁薄，疹液澄清，以面部和躯干部为主。
此病传播途径是（）
A.消化道传播
B.血液传播
C.虫媒传播
D.呼吸道传播
E.垂直传播
Ted ________ while he ________ his bicycle and hurt himself.[ ]
A. fell; was riding
B. had fallen; rode
C. fell; were riding
D. had fallen; was riding
