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