题目: 252×49的值是( )。A.12328B.12338C.12344D.12348 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0620/b05e0edf356047f46030d697e976a189.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:完形填空 完形填空。 There are seas, lakes and forests on the earth. There are cities, towns and farms, too. All these things are environments. The environment is everything around you. It can be living (有生命的), like a forest. It can be non-living (无生命的), 1 a rock or a mountain. No living thing can live alone. Every living thing depends (依赖于) on other things in its environment. When something 2 , it affects (影响) something else. If a non-living; thing like water becomes 3 tofind, plants will be affected. If all plants 4 , the animals that eat plants will be affected. Weather, such as temperature, wind and rain, can change an environment. 5 can change an environment, too. Some things that people do cause no change or only a small change in the environment.For example, people can walk through the forest and just travel around. They can cut down only a fewtrees and 6 change the environment very much. On the other hand, some things that people do cause 7 changes. Sometimes they can change a whole environment by cutting down a forest. Not all changes are bad. If we cut down a forest to build houses or plant crops, this may not be bad. But what would happen if we cut down all trees in all forests or if we didn't 8 them and plant somethingelse? It is clear that people are able to change an environment. This is why it is important to think about the changes before we make 9 . Let's work together to 10 it clean and healthy.( )1.A. with ( )2.A. lives ( )3.A. dry ( )4.A. live ( )5.A. Those ( )6.A. still not ( )7.A. little ( )8.A. use ( )9.A. it ( )10.A. change B. like B. becomes B. difficult B. lose B. Plants B. still B. a lot of B. build B. them B. keep C. on C. changes C. easy C. die C. People C. even C. a small C. save C. that C. have 查看答案
题型:单项选择题 某女性患者,因左舌下腺囊肿(口外型)行左舌下腺及囊肿摘除术,术后第2天左下颌下区发生肿胀,且进食时明显。最可能的原因是A.因左舌下腺囊肿口外型,口外部分未处理所致B.因左下颌下腺导管结石所致C.因前日术中误结扎左下颌下腺导管所致D.左下颌下淋巴结反应性肿胀E.因急性左下颌下腺炎症所致 查看答案
题型:单项选择题 将某ASCII字符采用偶校验编码(7位字符编码+1位校验码)发送给接收方,在接收方收到的8位数据中,若(),则能确定传输过程中发生错误。A.1的个数为奇数B.1的个数为偶数C.最低位为1D.最高位为1 查看答案