Smoke alarm is very important.
举一反三
- To our delight, this new smoke alarm system can effectively ______ very weak signals.
- 人们认为，这个建议很重要。 A: People think that this suggestion is very important. B: This suggestion is considered very important. C: Many believe this suggestion important. D: This suggestion is very important for many people.
- To our delight， this new smoke alarm system can effectively ______ very weak signals.（ ） A: attract B: relate C: detect D: evolve
- To our delight, this new smoke alarm system can effectively ____ very weak signals. A: diagnose B: detect C: eliminate D: trace
- To my delight, this new smoke alarm system can effectively ____very weak signals. A: find B: catch C: detect D: match