【简答题】模仿预习视频中的程序,尝试编写如下 C 程序。 求长方形的面积,并将面积值输出。
【单选题】Israeli scientists are working to share their desert aquaculture technology with countries like Tanzania, India and China because______.
A.
all of them are third world countries
B.
these countries are still struggling with lack of enough food
C.
these countries are covered by large areas of dry land
D.
people who live in these countries are among the poorest in the world
【单选题】What does "workhorse" mean in this video clip?
【判断题】采购总监最基本的工作就是保证生产不要出现停工待料。
【判断题】加热装置、电动搅拌装置、烘箱、电炉、高压釜、真空装置开启时特别注意不能离人1小时。吃饭时可以轮流照看,交待照看人注意事项。
【简答题】模仿预习视频中的程序,尝试编写如下 C 程序。 用变量a,b表示长方形的长和宽,计算长方形的面积s,并将面积s的值在屏幕上输出。 要求将程序源代码和执行结果截图上传。