A:x>3
B:x<3
C:x=3
D:x≠3
⑴____ A. make B. late C. map D. male
⑵____ A. famous B. found C. shout D. ground
⑶____ A. worked B. called C. stayed D. lived
⑷____ A.mouth B.round C.group D.ground
⑸____ A.days B.bags C.pens D.maps
两个板块发生张裂的地带,常形成( )
①裂谷 ②山脉 ③火山 ④海洋