Most Australians love going to the ______to swim and surf.
Most Australians love going to the ______to swim and surf.
I do my homework and _____the Net sometimes. A: surfing B: to surf C: surfs D: surf
I do my homework and _____the Net sometimes. A: surfing B: to surf C: surfs D: surf
【判断题】网上冲浪 surf the Internet
【判断题】网上冲浪 surf the Internet
They can surf the Internet in their dorm right now.
They can surf the Internet in their dorm right now.
5. Which of the following is not a way to avoid viruses? A: Use a firewall. B: Be careful about unknown messages C: Do not surf. D: Disconnecting from the Internet.
5. Which of the following is not a way to avoid viruses? A: Use a firewall. B: Be careful about unknown messages C: Do not surf. D: Disconnecting from the Internet.
surf(x,y,5*ones(size(x)));
surf(x,y,5*ones(size(x)));
MATLAB中，绘制三维曲面可以用surf()函数
MATLAB中，绘制三维曲面可以用surf()函数
plot3, mesh, surf均为画空间曲面的命令。
plot3, mesh, surf均为画空间曲面的命令。
Some words change meaning with the invention of the Internet. For example, to “surf” on the internet means ____.
Some words change meaning with the invention of the Internet. For example, to “surf” on the internet means ____.
I usually______ the Internet in my free time. A: un B: surf C: on
I usually______ the Internet in my free time. A: un B: surf C: on