【简答题】Today, an increasing number of people are always looking at their mobile phones with their heads down. These people are called the “Heads-down Tribe( 低头族 )”. Are you a heads-down tribe member? Heads-d...
【单选题】How many finite verb phrases are there in the following sentence groups: With the appearance of mobile internet, shopping on phones has become a trend.The young men between 18 and 30 make up the bigge...