There are many problems wait for people to solve and theses problems are tough. A: Many tough problems are waiting for people to solve. B: Many problems are waiting for people to solve and these problems are tough. C: Many problems which are tough are waiting for people to solve. D: Many problems are waiting for people to solve even though they are tough.
There are many problems wait for people to solve and theses problems are tough. A: Many tough problems are waiting for people to solve. B: Many problems are waiting for people to solve and these problems are tough. C: Many problems which are tough are waiting for people to solve. D: Many problems are waiting for people to solve even though they are tough.
Some problems may appear too (1)_____________ to solve but the first step is to (2)___________ it in size, and then it will be easier to solve.
Some problems may appear too (1)_____________ to solve but the first step is to (2)___________ it in size, and then it will be easier to solve.
A tricky problem is ______ to solve.
A tricky problem is ______ to solve.
The problem is ____ difficult for me _____ solve.
The problem is ____ difficult for me _____ solve.
Workaholics create more problems than they solve.
Workaholics create more problems than they solve.
Some problems may appear too ________ to solve.
Some problems may appear too ________ to solve.
Modern society, including conservatives,...hat they must solve.
Modern society, including conservatives,...hat they must solve.
关于求解命令solve使用错误的是 ( ) A: solve(f,x) B: solve(f) C: solve(f,f) D: solve(’f’)
关于求解命令solve使用错误的是 ( ) A: solve(f,x) B: solve(f) C: solve(f,f) D: solve(’f’)
The motorcar brings us more traffic problems than it promises to solve.
The motorcar brings us more traffic problems than it promises to solve.
I prefer my life to be filled with puzzles that I must solve.
I prefer my life to be filled with puzzles that I must solve.