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【多选题】
检查PRA链路和PRA电路状态时，以下哪些描述描述是正确的（）。A.
0时隙以及16时隙均应该为“未安装”
B.
0时隙以及15时隙均应该为“未安装”
C.
PRA中继的电路状态应为“空闲”或“工作”
D.
PRA中继的电路状态应为“空闲”或“未安装”
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】What is the function of the first part?
A.
It tells us the thesis statement of this essay.
B.
It tells us why fun is everywhere.
C.
It is the concluding part.
【单选题】What is the last part of the conversation about?
A.
The kind of people suitable for the trip.
B.
Interests and hobbies of the speakers.
C.
Recruitment of people for the trip.
D.
Preparation for the trip to Mars.
【单选题】What is the lowest part of the stomach?
A.
Cardiac part
B.
Fundus of stomach
C.
Pyloric canal
D.
Pyloric antrum
E.
Fornix of stomach
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