需要在高温下进行花芽分化的花卉有（）。
A.三色堇
B.牵牛
C.美人蕉
D.唐菖蒲
E.晚香玉
参考答案：B, C, D, E
根据首字母提示填空，完成短文。
Winter is the fourth season and l__________ season of the year. The weather is c__________ and it snows.
Winter is the w__________ season. In winter, the world is really busy. Look, the children are p__________ with
s__________.
以下哪项属于硬件故障？（）
A.坐标系误差
B.连接故障
C.海图误差
D.海图显示不当
