有一种身形最长的恐龙,身长45米,身高能达到5.5米,你知道它是什么恐龙吗?()
A.巨太龙
B.地震龙
C.暴龙
参考答案:B
看下面的四季图完成句子。
winter spring summer fall
1. In winter, it's __________ and snowy. Many trees don't have any __________.
2. In spring, the weather is __________. Trees have new leaves.
3. In summer, it's very __________. Trees have cool, green leaves.
4. In fall, the trees lose their __________. What colour are fall leaves? Yellow, orange and red.
受安装位置的限制,登高平台消防车工作斗前部的消防炮通常只能左右各回转()度。
A.30
B.60
C.90
D.120