A: Attach smoke detector 1 to smoke detector 2.
B: Glue smoke detector 1 to smoke detector 2.
C: Join smoke detector 1 to smoke detector 2.
D: Link smoke detector 1 to smoke detector 2.
举一反三
- smoke detector （五字）
- 固体探测器：可分为闪烁探测器(scintillation detector)和（ ）
- please listen to the video in the website on the topic of “Airbnb guests are finding hidden cameras planted in their rentals”and then tell true(T) or false(F) for the following statements (1:12—1:36) The problem was not in coincidence, and an Indiana couple said they found a camera in a smoke detector in the bedroom at their Airbnb in Florida. The home owner was arrested for "video voyeurism."
- 中国大学MOOC: detector
- People are not allowed ____ in the cinema, but they will allow ____in the rest room. A: to smoke, smoke B: smoking, to smoke C: to smoke, smoking D: smoking, smoke
内容
- 0
They have made _______ a rule _________ in the room. A: this; not to smoke B: it; smoking C: it; to not smoke D: it; not to smoke
- 1
______ is forbidden in the meeting-room but we are allowed ______ in the room for smokers. A: Smoking, smoking B: Smoking, to smoke C: To smoke, smoking D: To smoke, to smoke
- 2
I"d rather you ______ in bed. A: don"t smoke B: doesn"t smoke C: didn"t smoke D: not smoke
- 3
Radiation heat transfer of smoke tube boiler mainly occurs in , convection heat transfer mainly occurs in . A: Furnace and smoke pipe B: Smoke pipe and furnace C: Needle tube, smoke box D: Smoke box and smoke pipe
- 4
To give up _____ means _____ . A: smoking, stopping smoking B: smoking, to stop smoking C: to smoke, to stop to smoke D: to smoke, stopping to smoke