森林小气候是指由森林以及林冠下（）、草被等形成的一种特殊小气候。
参考答案：灌木丛
How time flies! Several years ______ since we started our middle school life. We will keep the
pleasant experiences in our minds. [ ]
A. have pass
B. has passed
C. will pass
摊铺机摊铺厚度是用两块（）宽的长方木为基准来确定，方木长度与熨平板（）相当，厚度为摊铺厚度。
A.5～10cm；纵向尺寸
B.10～15cm；纵向尺寸
C.5～10cm；横向尺寸
D.10～15cm；横向尺寸
