______, we need to seek professional help.
A: When we cannot identify our problem
B: If the four-step formula doesn’t work
C: When our complex problem continues to exist
D: If we want to solve our problem more quickly
A: When we cannot identify our problem
B: If the four-step formula doesn’t work
C: When our complex problem continues to exist
D: If we want to solve our problem more quickly
举一反三
- Why do we need to solve the problem quickly? A: Because consumers are frustrated. B: Efficiency is the key of satisfaction C: Because it is easier to handle when we solve the problems quickly. D: Because if the problem is not solved quickly, someone will solve it.
- Our first objective was to solve the problem of food and clothing, which we have now done.
- The problem is _____ we can improve our reading skill in such a short time. A: A. when B: B. what C: C. how D: D. that
- Since our research so far has not produced any answers to the problem, we need to adopt a different __________ to it.
- 他们同意发表我们的作品，这让我们感到惊奇！ A: We were shocked when they agreed to publish our work! B: We were amazed when they agreed to publish our work! C: We were pleased when they agreed to publish our work!