硬砂床地坑造型一般要求采用盖箱。
参考答案：对
1 want to _____ a magazine because I like writing articles. [ ]
A. work at
B. work on
C. work for
D. work as
地球所接受的太阳能功率平均每平方米为多少瓦
A.1350瓦
B.1355瓦
C.1360瓦
D.1367瓦
