题干
．We may go to Hawaii or California , we have to find a way to escape the snow this winter．
A：Also
B：In additio
C：Somehow
D：Anyway
答案(点此获取答案解析）
D
A：Also
B：In additio
C：Somehow
D：Anyway
，点A（0，－2）及点B（3，a），从点A观察点B，要使视线不被C挡住，则实数a的取值范围是（ ）
