皮皮学,免费搜题
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【单选题】
Wash your hands thoroughly in hot running water before you begin cooking. You should also wash your hands immediately after handling raw food or dirty dishes while you are in the kitchen. If you leave the bathroom, you should wash your hands when you return. How are you supposed to keep your hands clean in the kitchen? .
A.
Wash hands as often as you can
B.
Wear gloves when handling raw food
C.
Thoroughly wash the food you touch
D.
Wash hands thoroughly before cooking, after touching raw food or dirty dishes, and after using the bathroom
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【单选题】根据已调信号的频谱结构和未调制前信号的频谱之间的关系,可以把调制分为线性调制和( )调制两种。
A.
幅度
B.
频率
C.
相位
D.
非线性
【判断题】亚历山大东征,大流士二世被贝刺杀,阿契美尼德王朝灭亡。
A.
正确
B.
错误
【简答题】模拟调制技术分为( )和非线性调制,数字调制信号的键控方式分为( )、( )、( )。
【单选题】急诊应做哪项检查
A.
胃镜
B.
X线腹部透视
C.
X线胸透
D.
钡透
E.
腹腔穿刺
【简答题】"But it's only through these people that you can really __________( 了解) the real China," Galor said.
【单选题】张女士,在化疗第2个周期时,出现血管条索状红、肿、痛,护士选择对侧血管进行输液,护士保护血管采取借施应除外
A.
从血管远端开始有计划穿刺
B.
先注入少量生理盐水,确保针头在静脉内
C.
发现外渗立即停止滴入并给予热敷
D.
化疗结束前用生理盐水冲管
E.
建议使用PICC给药
【单选题】The coat is not made of real silk it is only a/an ______ .
A.
illustration
B.
imitation
C.
exhibition
D.
synthesis
【单选题】张女士,在化疗第2 个周期时,出现血管条索状红、肿、痛,护士选择对侧血管进行输液,护士保护血管采取措施应除外( )
A.
从血管远端开始有计划穿刺
B.
先注入少量生理盐水,确保针头在静脉内
C.
发现外渗立即停止滴人并给予热敷
D.
化疗结束前用生理盐水冲管
E.
建议使用PICC 给药
【简答题】非线性调制分为________调制和__________调制
【简答题】根据调制的性质,可将调制分为线性调制和非线性调制,其中常规幅度调制(AM)属于( ) ,频率调制(FM)属于 ( ) ,二进制振幅键控(2ASK)属于 ( )
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