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【简答题】
Perhaps you have heard a lot about the Internet, but what is it?The internet is many different networks around the world. A network is a group of computers put together. Maybe that doesn’t sound interesting. But when we’ve joined the internet, there are lots and lots of things wecan do. We can have a lot of interest on the World Wide Web (WWW). We can use the Internet instead of a libraryto find all kinds of information for our homework. We can find information about our favorite sports or film starsand do shopping on the Internet. We can also send messages to other people by e-mail. It is much cheaper and quicker than calling our friends or sending a letter. Thanks to the Internet, the world is becoming smaller and smaller. People can now work at home with a computer in front, getting and sending the information they need. They can buy or sell whatever they want by the Internet. But do you know 98% of the information is in English? So what will English be like tomorrow? 小题1:The passage is mainly about _________________. A.the Internet B.information C.computers D.e-mail 小题2:The quickest and cheapest way for people to send massages to their friends is _________. A.by post B.by e-mail C.by telephone D.by TV 小题3:The Internet can not be used to ________________. A.find information for our home work B.get some information about our favorite sports stars C.do some shopping D.do our housework 小题4:Which of the following is NOT true? A.The Internet is a big computer. B.The Internet is lots of computer network C.The Internet is very helpful. D.People can work at home with the help of the Internet. 小题5:What does the writer try to tell us with the last two sentences? A.The Internet is more and more popular. B.All the information is in English. C.English is important in using the Internet. D.Every computer must join the Internet.
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举一反三
【单选题】骨骼肌纤维的粗肌丝位于肌节的
A.
Z线
B.
A带
C.
只在H带两侧的A带
D.
I带
E.
只在H带
【简答题】News 3
【简答题】news 3
【简答题】计算题:某35kV配电线路,在运行中发现距中新架设由一条10kV配电线路穿越,如图D-17所示,用绝缘绳测得交叉跨越点得垂直距离d=3.5m,测量时的气温为10℃,在有关设计资料中查得t 1 =10℃时的该应力为 1 =80MPa,自重比载G 1 =34.047×10 -3 N(m•mm 2 ),问最高温t 2 =40℃交叉跨越距离是否满足要求,这时的应力为 2 =60MPa(该档距A、B两悬...
【多选题】食品容器、包装材料的主要卫生问题为( )。
A.
聚合物单体
B.
降解产物的毒性
C.
添加助剂的使用
D.
有毒重金属
【简答题】News3
【单选题】日前,宁波出现仅与新型冠状病毒肺炎患者靠近 15 秒就被感染的例子,证实此病毒可能经过气溶胶传播,即患者的飞沫悬浮在空气中造成。下列有关说法或做法错误的是
A.
此飞沫在空气中转化成直径是 10 -9 ~10 -7 m 的微粒
B.
此病毒的气溶胶传播途径增加了无接触感染的风险
C.
“84” 消毒液使蛋白质变性而杀灭了此病毒
D.
向室内空气喷洒酒精以阻断病毒传播
【简答题】1-17 在题图所示电路中,求A点的电位
【多选题】食品容器、包装材料的主要卫生问题为()。
A.
聚合物单体
B.
降解产物的毒性
C.
添加助剂的使用
D.
有毒重金属
E.
以上都不是
【单选题】骨骼肌纤维的粗肌丝位于肌节的:
A.
Z线
B.
I带
C.
A带
D.
M线
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