Younger children are curious ________ how things work ，and many of them want to take apart everything within their reach.
B
译文：小孩子对事物是如何组成的很好奇，一些孩子总是想把他们够得到的东西都拆开。此题考查短语搭配，becuriousabout对…好奇。
______ofasentencedependsonthecontextinwhichthesentenceisuttered.
______ moves on a scale of the national language, dialects, and individual ways of communication.
Idon’tmind_______thedecisionaslongasitisnottoolate.
Youngerchildrenarecurious________howthingswork，andmanyofthemwanttotakeaparteverythingwithintheirreach.
Lyingundertheskull,thehumanbraincontainsanaverageoftenbillionnervecellscalled______.