已知直线AB的坐标方位角ABa=207°15'45”,则直线BA的坐标方位角BAa为：
A. 117°15'45”
B. 297°15'45”
C. 27°15'45”
D. 207°15'45”
查看答案
极坐标法是根据水平角和水平距离测设点的平面位置的方法。
A. 对
B. 错
Despite the above _______, we have shown that novel is well organized in plots.
A. limitations
B. advantage
C. cracks
D. blocks
He ________ the newspaper while having his breakfast.
A. observed
B. overlooked
C. scanned
D. glanced
________ her sister, Mary is careless and irresponsible.
A. Likely
B. Unlike
C. Dislike
D. Alike
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