These computer programs are a ______ to me.
A: problem
B: difficulty
C: puzzle
D: question
A: problem
B: difficulty
C: puzzle
D: question
举一反三
- It remains a puzzle about why our outermost planet exists. A: problem B: mystery C: question D: point
- 18. She had a good job but she suffered a setback with her health. A: problem B: question C: puzzle D: tiredness
- The ______ now is that we have lots of _____ to ask, A: problem; questions B: question; problems C: question; problem D: problem; question
- design ____? A: v. 刻;篆 B: v./n. 设计;构思 C: n. a hidden problem or difficulty 诡计;圈套 D: find the solution to (a problem or question) or understand the meaning of 想出;弄明白
- figure out ____? A: v. to throw something, especially something light B: v. to make a deep sound in response to pain or despair C: n. a hidden problem or difficulty D: find the solution to (a problem or question) or understand the meaning of