问题
单项选择题
下列叙述中，不正确的是
A．算法的执行效率与数据的存储结构有关
B．算法的空间复杂度是指执行这个算法所需要的内存空间
C．算法的有穷性是指算法必须能在执行有限个步骤之后终止
D．算法的时间复杂度是指执行这个算法所需要的时间
答案
参考答案：D
解析： 算法的时间复杂度是指执行算法所需要的计算工作量。
搜题请搜索小程序“爱下问搜题”
下列叙述中，不正确的是
A．算法的执行效率与数据的存储结构有关
B．算法的空间复杂度是指执行这个算法所需要的内存空间
C．算法的有穷性是指算法必须能在执行有限个步骤之后终止
D．算法的时间复杂度是指执行这个算法所需要的时间
参考答案：D
解析： 算法的时间复杂度是指执行算法所需要的计算工作量。
| 完形填空。 |
| Man has done much research in our universe. Man has even invented four kinds of satellites. The first kind of satellite studies the geography of 1 , our home. It is used to make maps and also help countries to see where they may 2 oil and gold. The second kind of satellite is used to guide ships and planes. A ship or a plane can 3 a message to the satellite, and can find out where it is. The third kind studies the weather. These satellites watch clouds and strong wind 4 across the earth. They warn countries to be ready when the 5 weather is coming. They 6 of the earth from thousands of miles above it and send the photos to weather stations on the ground. 7 kind is used for communication. Telephone calls 8 countries can be sent by these satellites. Some can carry hundreds of calls at one time. A call is sent to the satellite, then the 9 sends it to a station in the country. These satellites also carry pictures. They can 10 and send about eight pictures at a time. People can send pictures to each other by mobile phones. |
| ( ) 1. A. the sun ( ) 2. A. buy ( ) 3. A. get ( ) 4. A. moving ( ) 5. A. fine ( ) 6. A. take photos ( ) 7. A. The other ( ) 8. A. between ( ) 9. A. man ( ) 10. A. take | B. the moon B. choose B. send B. running B. cool B. make drawing B. Another B. in B. satellite B. bring | C. the space C. find C. put C. walking C. sunny C. have a look C. One C. from C. telephone C. accept | D. the earth D. carry D. write D. flying D. bad D. draw pictures D. The last D. of D. caller D. receive |