钢线担宽度为50mm，厚度为5mm的明线路为（）型。
A.普通
B.特殊
C.重要
D.轻便
参考答案：D
Two lawyers have donated $50,000 to ________ our school's campaign "Help the Needy", which
was started by our former headmaster three years ago. [ ]
A. sponsor
B. launch
C. organize
D. plan
某小组在探究“不同植被对空气湿度的影响”的活动中，测得的数据如下，表中数据明显有误的是（ ）
