皮皮学，免费搜题
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搜题
【单选题】
美洲箭毒能使肌肉失去收缩能力的机制是A.
和乙酰胆碱竞争终板膜上的受体
B.
抑制接头前膜Ca2+通道
C.
使终板膜周围细胞膜上的离子通道失活
D.
稳定囊泡膜
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
【单选题】有关心包的描述错误的是
A.
分为纤维性心包和浆膜性心包
B.
浆膜性心包分脏、壁二层
C.
纤维层与浆膜层共同围成心包腔
D.
心包腔内有少量浆液
E.
心包腔内的浆液起润滑作用
【单选题】The Device Manager in Windows XP shows that an incompatible device driver is installed. Which of the following BEST describes the icon that is displaying next to that device?（）
A.
Yellow question mark next to device
B.
Black checkmark next to device
C.
Yellow exclamation point next to device
D.
Red X next to the device
【单选题】You are the administrator of ExamSheet.net's network. Your Windows 2000 Professional computer has a removable disk device installed. The device can use storage modules of varying sizes. You use thes...
A.
Format the new disk device as NTFS with a 4 KB cluster size.
B.
Format the new disk device as FAT32 with a 4 KB cluster size.
C.
Format the new disk device as FAT32 with a 1 KB cluster size.
D.
Format the new disk device as FAT16 with a 4 KB cluster size.
【简答题】能实现网络地址转换的设备有( )、( )、( )。
【简答题】_______ the device into the 5.25-inch bay. interference consult connector sufficient insert remove disconnect install secondary incorrectly
【单选题】何某欲买房,张某欲卖房,两人协商过程中,张某坚持房价为25万元,何某坚持18万元,双方未能达成一致。一日,何某见张某患病无力,迫使张某在准备好的合同上签字。何某的行为违背了哪项民法原则( )
A.
自愿原则
B.
平等原则
C.
诚信原则
D.
公平原则
【单选题】关于网络地址转换，下面说法错误的是：（）。
A.
NAT只能实现“私网地址→公网地址”的转换
B.
如果服务器放置在内部网络，使用私有地址，而服务器需要对外部互联网用户提供服务，那么最好对服务器使用静态NAT
C.
对于一般的局域网，因为可使用的公网地址有限，所以常使用端口NAT、即PAT
D.
内部数据在经过NAT设备后，源地址即转换成为了外部地址。外部用户无法看到内部网络的地址，因此对外隐藏了内部网络
【单选题】You are the administrator of Company’s network. Your Windows 2000 Professional computer has a removable disk device installed. The device can use storage modules of varying sizes. You use these stora...
A.
Format the new disk device as FAT16 with a 128 KB cluster size.
B.
Format the new disk device as FAT32 with a 4 KB cluster size.
C.
Format the new disk device as NTFS with a 4 KB cluster size.
D.
Format the new disk device as NTFS with a 8 KB cluster size.
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