What
is the speed of the perception of olfaction? ()
A: 1 h
B: 30 min
C: 100 s
is the speed of the perception of olfaction? ()
A: 1 h
B: 30 min
C: 100 s
D
举一反三
- 嗅觉的感知速度 A: . 1 h； B: . 30 min ； C: . 100 s ； D: . 0.1 s ；
- What's the highest speed of the Bejing to Shanghai high speed rail? A: 408km/h B: 315km/h
- NAVTEX岸台播发的时间每次最多为(<br/>)。 A: 1<br/>h B: 10<br/>min C: 5<br/>min D: 30<br/>min
- 高压蒸汽灭菌法的灭菌条件是:() A: 100℃<br/>5min 103Kpa B: 100℃<br/>20min 103Kpa C: 100℃<br/>30 min 103Kpa D: 121.3℃<br/>15—20 min 103Kpa E: 105℃<br/>15—30 min 103Kpa
- 高压蒸汽灭菌器使用的温度和时间通常是（ ） A: 90℃ 1 h B: 100℃ 30 min C: 135℃ 20 min D: 121℃ 15 min
内容
- 0
How many steps are there for the perception of olfaction? () A: 2 B: 3 C: 4 D: 5
- 1
What’s the speed of little cars？
- 2
A 20-g bullet moving at 1 000 m/s is fired through a one-kg block of wood emerging at a speed of 100 m/s. If the block had been originally at rest and is free to move, what is its resulting speed? A: 9 m/s B: 18 m/s C: 90 m/s D: 900 m/s E: 60 m/s F: 600 m/s
- 3
10-15平米安装一支30瓦紫外灯,紫外线照射消毒的时间一般不少于(). A: 2<br/>h B: 4<br/>h C: 30<br/>min D: 过夜
- 4
机械通气患者气道内1次吸痰时间不超过 A: 1 min B: 2 min C: 3 min D: 15 s E: 30 s