单选题 Cities are places where people have more opportunities to find different jobs, enjoy the convenience of public resource and _(　　)_ lavish facilities.

单选题 With the __(　　) of the IoT(物联网), cloud computing, big data, and AI, cities are no longer static masses of steel and concrete.

单选题 Computers and vehicles are all __(　　) assets(财富) that are characterized by their movability.

单选题 Research have shown that long - term confinement is (　　)__ to the physical and psychological well - being of animals.

单选题 Wherever you go for university and whatever major you choose, you should actively _(　　)_ new opportunities and experiences to enrich your learning.

单选题 We ourselves are ultimately the only people to __(　　) we are accountable.

单选题 The professor usually _(　　)_ his lecture by providing some interesting background information, which helps students better understand the subject.

单选题 For the convenience of drivers, China rolled out digital driver’s licenses across the country amid efforts to __(　　) services.