皮皮学，免费搜题
登录
搜题
【单选题】
某轮真航向356°,罗经差+2°,航速18 节,风流很小,忽略不计,第一次观测灯塔的罗方位039°,15 分钟后刚好灯塔,则该灯塔的正横距离为:A.
2.5 n mile
B.
5 n mile
C.
4.5 n mile
D.
9 n mile
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】简述圈层结构理论在城市和区域规划中有和应用价值？
【单选题】The little boy ________ the glass. And the glass ________ on the ground and was broken.
A.
fell; fell
B.
fell; dropped
C.
dropped; fall
D.
dropped; fell
【单选题】Yesterday _____ 8-year-old boy fell into the river.____boy was saved by a policeman.
A.
an; A
B.
an; The
C.
a; the
D.
a; An
【单选题】Yesterday ______ 11-year-old boy fell into the river. Luckily ______ boy was saved by his neighbour at once. [ ]
A.
a; a
B.
an; a
C.
an; the
D.
the; a
【简答题】51单片机的5个中断源,假设都处在高优先级,优先权最高的中断源是____,优先权最低的是____。
【单选题】Yesterday _____ 8-year-old boy fell into the river. _____ boy was saved by _____ policeman. [ ]
A.
an, A, a
B.
an, The, a
C.
a, The, the
D.
a, An, the
【单选题】Yesterday ___ 8-year-old boy fell into the river.____ boy was saved by ______policeman.
A.
a ; A ; a
B.
An ; The ; a
C.
an ; The; the
D.
a ; A; the
【多选题】速卖通平台产品搜索排名是综合考虑多方因素,目前的搜索排名的参考纬度主要考虑( )
A.
商品的信息描述质量
B.
商品与买家搜索需求的相关性
C.
商品的交易转化能力
D.
卖家的服务能力
相关题目：