我国减灾防灾的指导方针是[ ]
A．以抗为主，防抗救相结合
B．以救为主，防抗救相结合
C．以防为主，防抗救相结合
D．防抗救同等重要，无主次之分
答案：C
Scientists have come to the conclusion_______ the temperature on Earth is getting higher and higher.
A．what
B．that
C．which
D．when
（）单元格的地址表示是错误的。
A.X1C1
B.A1
C.AA
D.2A
