2. Children are ____ to have some accidents as they grow up.
A. obvious B. indispensable C. bound D. obtuse

<obvious>
obvious 明显的、必不可少、不可获缺
</obvious>

<indispensable>
indispensable 不可花费的、不可分配的、必不可少的、不可缺少的
dispensable 可花费的、可分配的、可缺少的
expense 花费
expenditure 花费
compensate (for) v.补偿、弥补
compensation n.补偿、弥补
expend 花费、支出
pension 养老金
</indispensable>

<bound>
bound 注定的
</bound>

<obtuse>
obtuse 迟钝的、木讷的
</obtuse>