为了使过滤器难以探测到,要将一个TCP头分成几个数据包的扫描技术是()
A.TCPconnect扫描
B.TCPSYN扫描
C.TCPFIN扫描
D.IP段扫描
参考答案:D
It was at the very beginning _______ Mr. White made the decision ______ we should send more firefighters there.
A.that; that
B.when; which
C.there; what
D.where; what
观察番茄果肉细胞实验中对标本的处理方法是:[ ]
A.将番茄切成薄片制成切片
B.用解剖针轻轻挑取番茄果肉少许,均匀地涂在载玻片中央的水滴中并使其分散开
C.直接将番茄放在显微镜下观察
D.用解剖刀切取一小块番茄细胞,用镊子将番茄表皮一角轻轻撕下