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【单选题】
硝苯地平的适应证是:A.
高血压危象
B.
稳定型心绞痛
C.
变异型心绞痛
D.
不稳定型心绞痛
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反馈参考答案：
举一反三
【简答题】剩余碘量法测定司巴比钠的含量
【简答题】间接碘量法测定铜含量时，KI的作用是（ ）
【单选题】What. action should a GMDSS radio operator take when SafetyNET distress or urgency messages are received by the vessel's EGC receiver?
A.
No immediate action is required.
B.
Aural and visual alarms are activated, and require manual deact.ivation.
C.
Transmission of acknowledgement should be achieved imm_ediately.
D.
Reset the EGC receiver imnediately.
【单选题】SafetyNET messages can be received by which of the following shipboard equipment?
A.
NAVTEX.
B.
MF and HF NBDP.
C.
EGC receiver.
D.
None of these
【单选题】EGC safetyNet transmits（）types of messages for mariners.
A.
four
B.
six
C.
five
D.
three
【单选题】SafetyNET messages can be received by which of the following shipboard equipment?
A.
NAVTEX
B.
MF and HF NBDP
C.
EGC receiver
D.
All of these
【单选题】By which of the following shipboard equipment can SafetyNET messages be received? .
A.
NAVTEX.
B.
MF and HF NBDP.
C.
EGC receiver.
D.
AIS receiver.
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