The nurse is teaching parents how to reduce the spread of impetigo. The nurse should encourage parents to

A. teach children to cover mouths and noses when they sneeze.
B. have their children immunized against impetigo.
C. teach children the importance of proper hand washing.
D. isolate the child with impetigo from other members of the family.

二战后，美国驻苏联代办凯南认为：资本主义与社会主义是水火不相容的，美国必须把苏联看成是政治上的敌手。美国若拥有足够的武力并准备使用它，那就用不着真正动武，便可遏制住苏联，迫使它退却。他声称必须用消除非 * * 主义世界中存在的大片软弱地区的方法，来遏制苏联。这个观点的依据不包括[ ]

A．美国要推广其社会制度

B．美国确立了世界霸权地位

C．苏联能与美国抗衡

D．西欧传统强国普遍衰落