We are glad to hear that the terrorists ________ by the brave policemen several days ago.
A:are caught
B:were caught
C:have been caught
D:are going to be caught
亚洲人口数量在1950年和2000年在全球的地位是( )
一个人骑自行车沿平直的公路行驶,第一秒内通过的路程是2m,第二秒内通过的路程是3m,第三秒内通过的路程是4m,则( )