题目内容:
Oneofthereasonswhysomepeopleopposetoinstallingseatbeltsonschoolbusesisthat____________. A.theyworrythecostofinstallingseatbeltsonschoolbusesistoohigh
B.theythinktheseatbeltsarenotthebestchoicetomakechildrensafeonschoolbuses
C.theythinkchildrenareundergoodprotectionoftheNHTSAsafetyrequirements
D.theyworrytheseatbeltsmaybecomethetoolsforsomechildrentohurtothers
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答案解析: