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In the early 1990s the word “Internet” was strange to most people. But today, Internet has become a useful tool for people all over the world. Maybe Internet has been the greatest invention in the field of communication in the history of mankind. Communicating with others on the Internet is much faster. We can chat with a person who is sitting in the other part of the world. We can e-mail our friends and they can read the e-mails within a minute. Giving all kinds of information is probably the biggest advantage of the Internet. We can use search engines to find the information we need. Just type in a keyword or keywords and the search engine will give us a list of suitable websites to look at. We can enjoy a lot on the Internet by downloading games, visiting chat rooms or surfing(浏览)websites. There are some games for free. We can meet new and interesting people in the chat now. We can also listen to music and see films. Now, there is a lot of service on the Internet such as online banking, job finding and ticket buying. We can also do shopping and find nearly all kinds of goods. Sometimes we can find something that is quite good but very cheap. 小题1:How many main advantages of the Internet are talked about in the last passage? A.Three. B.Four. C.Five. D.Six. 小题2:Which of the following is not right according to the passage? A.We can find almost anything we want to know on the Internet. B.Some games on the Internet are free. C.We can buy most things we need on the Internet. D.Goods on the Internet are more expensive than those in real shops. 小题3:Which title best gives the main idea of the passage? A.Online Shopping B.Exchanging Information on the Internet C.The Advantages of the Internet D.Surfing the Websites on the Internet
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举一反三
【单选题】豆类蔬菜对氮肥的需求量相对较少是因为()。
A.
有根瘤菌
B.
有菌根
C.
本身需求少
D.
磷钾肥的协同作用
【单选题】已知集合B={(6,10),(3,3),(2,1),(4,1)},点z=(-2,2),则集合B关于点z平移后得到的集合是()
A.
{(4,10),(1,3),(0,1),(-2,1)}
B.
{(4,12),(1,5),(0,3),(2,3)}
C.
{(6,12),(3,5),(2,3),(4,3)}
D.
{(4,8),(1,1),(0,-1),(-2,-1)}
【单选题】下列有关吸痰方法的叙述正确的是
A.
吸净口腔痰液后继续吸气管内痰液
B.
插管时打开负压吸引
C.
吸痰时从深部向上提拉,左右旋转
D.
小儿吸痰时,痰管要细,压力<40kPa
E.
吸痰后将管内痰液吸水冲净后再用
【判断题】电控发动机中传感器的工作电压多为5V。
A.
正确
B.
错误
【单选题】下列有关吸痰方法的叙述正确的是
A.
吸净口腔痰液后,继续吸气管内痰液
B.
插管时,打开负压吸引
C.
吸痰时,从深部开始左右旋转,向上提拉
D.
小儿吸痰时,吸痰管要细,压力<45kPa
E.
吸痰后,将管内痰液吸水冲净后再用
【单选题】豆类蔬菜对氮肥的需求量较少,是因为( )。
A.
实际需求少
B.
能吸收空气中的氮
C.
有根瘤菌,能固氮
D.
氮有害生长
【判断题】老年人吃全谷物食品好,但也要适量
A.
正确
B.
错误
【单选题】已知集合 则 中所含元素个数为( )
A.
3
B.
6
C.
8
D.
10
【单选题】患者,男性,22岁。脑外伤后昏迷,咳嗽反射迟钝,需行气管内吸痰,吸痰方法正确的是
A.
吸净口咽部痰液后继续吸气管套管内痰
B.
插管时打开负压吸引
C.
吸痰时从深部向上提拉,左右旋转
D.
一次吸痰不超过30秒
E.
小儿吸痰时,吸痰管应细,压力<60.0kPa
【单选题】豆类蔬菜对氮肥的需求量较少,是因为( )
A.
实际需求少
B.
氮有害生长
C.
有根瘤菌,能固氮
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