某种气体的摄氏温度为35℃,那么它的绝对温度为()K。
A. 305.15
B. 308.15
C. 310.15
为什么图片置入版面后变成了一个带“X斜线”的灰色块?
当骨料粒径≤31.5mm时,应选用()mm的混凝土试模成型。
A. 150×150×150
B. 200×200×200
C. 100×100×100
During a period of whiteout,you should expect which of the following().
A. Snowfall or blowing snow
B. Lack of ability to estimate distance
C. Harsh contrast between sun-illuminated snow cover and the background
D. Hazy horizons with extensive mirage effect