馈线的弯曲半径应≥馈线外径的()倍。
A.10
B.15
C.20
D.30
参考答案:C
This disabled girl needs our help. We are _____ to do something for her. [ ]
A. stopped
B. invited
C. supposed
(14分)读东南亚地图,回答
(1)东南亚主要气候类型有哪两种?(4分)
(2)该地区唯一的内陆国是 ,人口最多的国家是 ,经济最发达的国家是 .(6分)
(3)分析马六甲海峡地理位置的重要性。(4分)