对调查到的生物，可以有多种归类方法。如果按照形态结构特点，可以将生物归为、和其他 发布时间：2017-05-17 20:02 │ 来源：www.tikuol.com 题型：读图填空题 问题： 对调查到的生物，可以有多种归类方法。如果按照形态结构特点，可以将生物归为 、 和其他生物三大类；如果按照生活环境，可以将生物归为 和 生物等；按照用途，可以将生物分为作物、家禽、家畜、宠物等。
题型：读图填空题 While the Internet is inherently insecure, businesses still need to preserve the privacy of data as it travels over the network. To help do that, the Internet Engineering Task Force an international group of network designers, operators, vendors, and researchers concerned with the evolution of (71) has developed a suite of (72) called Internet Protocol Security (IPSec). IPSec creates a standard platform to develop secure networks and electronic (73) between two machines. Secure tunneling via IPSec creates (74) connections in a network through which data packets can move. It creates these tunnels between remote users and within a local network. It also (75) each data packet in a new packet that contains the information neccessary to set up, maintain and tear down the tunnel when it’s no longer needed.A．supportsB．drivesC．encapsulatesD．transmits 查看答案
题型：读图填空题 小明一家喜事连连：爷爷依法经营自己开办的服装厂，年终上缴税款后实现收入20万元。在某国有企业担任技术研发主任的爸爸，因研发的一种具有自主知识产权的产品销往国外，为企业创造了巨额利润，获得了10万元的特殊贡献奖。妈妈因为细心照料常年卧病在床的婆婆，被社区评为“社区十佳好儿媳”。（1）材料中体现了哪些知识？________________________________________________________________________________（2）企业和社会对小明的爷爷、爸爸和妈妈的行为给予表彰和鼓励有什么重要意义？________________________________________________________________________________ 查看答案