以PD140为例，有声报警器的英文表示不正确的是（ ）。
A: audible alarm
B: sensitivity adjustment
C: audible alarm ear-piece socket
D: sensitive detection area
A: audible alarm
B: sensitivity adjustment
C: audible alarm ear-piece socket
D: sensitive detection area
B,C,D
举一反三
- I bought an alarm clock with a(n) ______ dial, which can be seen clearly in the dark. A: supersonic B: luminous C: audible D: amplified
- I bought an alarm dock with a(n)______ dial, which can be seen dearly in the dark. A: audible B: amplified C: supersonic D: luminous
- The noise outside was ______. A: too irritating that his speech was hardly audible B: so irritating so his speech was hardly audible C: so irritating that his speech was hardly audible D: so irritating enough that his speech was hardly audible
- The alarm management mode of DVR (non-manual alarm) includes ( ) A: External contact alarm mode B: External API alarm mode C: VMD alarm mode D: Timing alarm mode
- ______ , she went back to sleep. A: There was no cause for alarm B: There being no cause for alarm C: Without having cause for alarm D: Being no cause for alarm
内容
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______, she went back to sleep. A: There is no cause for alarm B: Being no cause for alarm C: There being no cause for alarm D: Without having cause for alarm
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中国大学MOOC: 交通事故报警电话号码是__________________。The traffic accident alarm number is___________________.
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He is a man with a great . A: vision B: visual C: audible
- 3
Of all the amplifiers, this product with...he audible spectrum.
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交通事故报警电话号码是__________________。The traffic accident alarm number is___________________. A: 110 B: 119 C: 120 D: 122