下列关于等高线的叙述错误的是()。
A.位于同一条等高线上的各点高程相等
B.等高线是闭合的曲线
C.不同高程的等高线不能相交
D.等高线之间的平距越大坡度越陡
参考答案:D
—Would you like to go to the cinema with me tomorrow afternoon?
—I’d like to, Mum, but I ________ to a party by Jane. It is her birthday.
A.am invited
B.was invited
C.will be invited
D.have been invited
依照《建筑气候区划标准》(GB50178-93)的规定,我国建筑气候区划分为多少个分区?
A.7个
B.8个
C.9个
D.10个