Only after they had discussed the matter for several hours ______ a decision.( ) A. they reached B. did they reach C. they reach D. do they reach 答案:B 下图为“三幅经纬网示意图”,读图回答下列各题。
1.①~⑤各地,地理坐标相同的是 (
)
A.①③
B.①④
C.②④ D.③⑤
2.关于图中①~⑤各地的比较,正确的是 (
)
A.②地地球自转的角速度比①地大 B.④地日出总比⑤地早
C.③地地球自转的线速度与④地相同 D.⑤地在②地的西北方向