皮皮学，免费搜题
登录
搜题
【单选题】
GMDSS系统中，由Radar-SART和搜救船舶或飞机上安装的（ ）雷达构成了海上寻位系统A.
3GHz
B.
6GHz
C.
9GHz
D.
4GHz
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】A．disagree B．diverge C．vary D．deviate
【简答题】Change the following sentences into object clauses. “What are you going to be when you grow up?” My mother asked me.
【简答题】__________。 [A] benefit [B] derive [C] differ [D] deviate
【单选题】Your mother asked me over the phone to_________you of the interview.
A.
think
B.
forget
C.
remind
D.
leave
【单选题】I can’t go to the movie with you, because my mother asked me homework.
A.
does
B.
doing
C.
did
D.
to do
相关题目：