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【单选题】
某轮罗航向CC=184°，测得A灯塔罗方位C B C B =139°（△C=-1°），如欲使在第二次观测该灯标时，能正好使两次观测之间的航程等于船与该灯塔的正横距离，则第二次观测的罗方位应为（）。A.
274°
B.
238°
C.
094°
D.
058°
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举一反三
【单选题】Yushu is reported from the destruction caused by the earthquake.
A.
to have recovered
B.
recovering
C.
to be recovered
D.
to be recovering
【单选题】According to the text, which of the following is NOT the phenomenon caused by the economic downturn?
A.
The export markets are being softened.
B.
Domestic property value is being depressed.
C.
Number of people that go vacation abroad sharply reduced.
D.
Consumer and investor confidence declined daily.
【单选题】The number of traffic accidents caused by drinking is ____ as the number of those caused by non-drinking driving．
A.
as twice many
B.
many as twice
C.
as twice large
D.
twice as large
【简答题】The captain said an apology to the passengers for the delay caused by bad weather. A B C D
【单选题】使用( )方法启动服务后,调用者和服务间没有关联,即使调用者退出了,服务仍然进行。
A.
startService()
B.
bindService()
C.
start()
D.
onBind()
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