暖季型草种在华北地区适宜的茎铺季节为（）。
A.冬末春初
B.春末夏初
C.夏末秋初
D.秋末冬初
参考答案：B
解析：
考点:绿化工程
Tom feared to go home after his failure in the exam because the ____ stream of discontent from his
parents would drive him crazy. [ ]
A. actual
B. gradual
C. efficient
D. constant
