一道SAT 填空the challenge facing public health officials is to an outbreak of disease and then that

问题描述:

一道SAT 填空the challenge facing public health officials is to an outbreak of disease and then that
the challenge facing public health officials is to-----an outbreak of disease and then----- that school-children are immunized.
(A) fosterv. 培养,促进...providev. 提供
(B) predictv. 预言...allegev. 断言,宣称
(C) sustainv. 承受...questionv. 怀疑,审问
(D) effectv. 产生,达到目的...ascertainv. 确定
(E) anticipatev. 期望...ensurev. 确保,担保
选E
为什么第一个空填期望啊.期望一个疾病的蔓延?

anticipate有预见,预知的意思.句子里是说学校预知了病情的爆发所以要确保每个学生都有预防.
明白了吗?