下列实用文体表述正确的一项是

Don’t be a phubber(低头族). Technology helps us a lot, we shouldn’t allow it to control our lives.-We should take more activities outside to keep healthy.

ntry has already sent up three unmanned spacecrafts, the most recent ____atthe end of last March

Since most Antarctic rocks are dark in color, they stood out _____ the white background and are easy to identify and collect

How do you find your trip to Taiwan during the week-long National DayHoliday —________ I can’t speak too highly of it.