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【多选题】
下列属于石油化工厂向大气排放的主要污染物的是A.
烟尘
B.
氯化物
C.
氮氧化物
D.
二氧化硫
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【单选题】---How do your parents usually go to work? ---My mother usually goes to work _________ bus while my father ________ a bike to work.
A.
takes, rides
B.
take, by
C.
by, by
D.
by, rides
【单选题】•129:maritime safety information is promulgate via satellite through( )
A.
AMVER
B.
SafetyNET.
C.
NAVTEX
D.
Inmarsat-M MES.
【单选题】My radar is not working. I require shore based radar assistance. Is shore based radar assistance ?
A.
used
B.
available
C.
in use
D.
Can be used
【单选题】22, Any ships fitted with MES can( )and( )through the satellite system when sending a distress alert.
A.
enter the system/contact
B.
access to Inmarsat/establish contact with an LES
C.
have absolute priority to enter the system/make contact with an LES
D.
enter the system gradually/wait for rescue
【简答题】Data acquisition techniques include field surveying, global positioning system (GPS), satellite positioning, and remotely sensed imagery obtained through aerial photography and satellite imagery.
【简答题】My father ______ (乘) the underground to work every day. My father goes to work______ ______(骑自行车).
【单选题】A radio link between a transmitting earth station and a receiving earth station through one satellite, which comprises one uplink and one downlink, is named a()
A.
upper link
B.
radio link
C.
down link
D.
satellite link
【单选题】A radio link between a transmitting earth station and a receiving earth station through one satellite is named a（）.
A.
Radio link
B.
Space segment
C.
Satellite link
D.
upper link
【单选题】My radar is not working. I require shore based radar assistance. Is shore based radar assistance______?
A.
used
B.
vailable
C.
in yse
D.
can be used
【单选题】My radar is not working. I require shore based radar assistance. Is shore based radar assistance______?
A.
used
B.
available
C.
in yse
D.
can be used
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