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【单选题】
A点发射信号功率为10dBm,B点接收功率为-5dBm,则从A点到B点功率减少( )。A.
24dBm
B.
24dB
C.
15dB
D.
15dBm
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反馈参考答案：
举一反三
【单选题】New pain clinic ask patients to give up drugs completely.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】______ and new way to reduce her pain and suffering from the terrible disease, the patient sought her doctor's help to end her life.
A.
Having given up hope of cure
B.
With no hope for cure
C.
There being hope for cure
D.
In the hope of cure
【单选题】The possibility __________ pleasant smells might reduce pain has recently been suggested by new research.
A.
where
B.
what
C.
which
D.
that
【单选题】有以下程序： #include＜stdio.h＞ #include＜string.h＞ #include void f(char*s,char*t) { char k； k=*s *s=*t *t=k； s++t-- if(*s)f(s,t): } main() {char str[10]='abcdefg',*P P=str+strlen(str)/2+1： f(p,p-2)； printf('...
A.
abcdefg
B.
gfedcba
C.
gbcdefa
D.
abedcfg
【单选题】 患者,男, 45 岁。因足部外伤致破伤风,频发全身肌肉抽搐,呼吸困难,发绀。最重要的护理措施是
A.
保持呼吸道通畅
B.
应用破伤风抗毒素
C.
保持环境安静
D.
避免损伤
E.
预防感染
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