如果听到连续的背景噪音，请寻找原因。
A: If you hear continuous background noise, find the cause.
B: In the event of persistent background noise, determine the cause.
A: If you hear continuous background noise, find the cause.
B: In the event of persistent background noise, determine the cause.
举一反三
- In the single-cause-single-effect pattern, the speaker can state from the cause to effect and also can choose the order from the effect to the cause.
- From the last sentence of the passage we can learn that ______. A: we can get public noise under control if we effectively draw attention to it B: sometimes we have to shout loudly so that others can hear us C: shouting is a chief cause of noise pollution nowadays D: it is important to warn people of the danger of noise pollution
- If you shout loudly, you will hear the ( ). A: voice B: echo C: sound D: noise
- 检查整个系统，找出干扰原因。 A: Examine all of the system to find the cause of interference. B: Examine the incomplete system to find the cause of interference. C: Examine the miscellaneous system to find the cause of interference. D: Examine the whole system to find the cause of interference.
- What troubles may having a pet cause？ A: Noise B: Cost money C: Health problem D: Take time