Peoplecanunlockthesharedbikes,

问题详情：

people can unlock the shared bikes, _________are equipped with GPS and can be left anywhere in public, by simply _________their smart phones.

A．which; use                                                B．which; using

C．of which; use                                             D．of which; using

【回答】

B

【详解】

考查非限制*定语从句和动名词。句意：仅凭自己的智能手机人们能够解锁共享单车，这些共享单车配备了全球定位系统，可以被放在公共场合的任何地方。“  are equipped with GPS and can be left anywhere in public”为非限制*定语从句，先行词为the shared bikes，指物，且先行词在从句中做主语，故用which指代。第二个空位于介词by的后面，用use动名词的形式做宾语，填using。综上，选B。

知识点：非限制*定语从句

题型：选择题