您所在的当前位置：初中物理试题 >

热传递在生活中的应用

> 下列现象中的物态变化属于升华的是 A.刚从水中走出来，感觉特别冷 B.水烧开时冒出大量“白汽” C.冬季，堆在户外的“雪人”没熔化却变小 D.夏天晾晒的湿衣服逐渐变干

问题：

发布时间：2024-09-09

下列现象中的物态变化属于升华的是

A.刚从水中走出来，感觉特别冷
B.水烧开时冒出大量“白汽”
C.冬季，堆在户外的“雪人”没熔化却变小
D.夏天晾晒的湿衣服逐渐变干

参考答案：

提问用户：rb***4uC

可能感兴趣的题目：

1 用雪堆成的大雪人，即使气温在0℃以下，时间长了雪人也会逐渐变矮，这主要是由于 A.整个雪人同时逐渐熔化 B.整个雪人同时逐渐升华 C.雪人底部因熔点降低而熔化 D.雪人底部因温度升高而熔化
2 某物体从静止开始做加速度为5m/s 2加速运动，第1秒内的位移是_______m，前3秒内的平均速度是_________m/s.
3 完形填空。 It was a busy morning, about 8:30, when an elderly gentleman in his 80s came to the hospital. I heard him saying to the nurse that he was in a hurry for all appointment (约会) at 9:30. The nurse had him take a 1 in the waiting area, 2 him it would be at least 40 minutes 3 someone would be able to see him. I saw him 4 his watch and decided, since I was 5 busy-my patient didn"t 6 at the appointed hour, I would examine his wound. While taking care of his wound, I asked him if he had another doctor"s appointment. The gentleman said no and told me that he 7 to go to the nursing home to eat breakfast with his 8 . He told me that she had been 9 for a while and that she had a special disease. I asked if she would be 10 if he was a bit late. He replied that she 11 knew who he was, that she had not been able to 12 him for five years now. I was 13 , and asked him, "And you 14 go every morning, even though she doesn"t know who you are?" He smiled and said, "She doesn"t know me, but I know who she is." I had to hold back 15 as he left. Now I 16 that in marriages, true love is 17 of all that is. The happiest people don"t 18 have the best of everything; they just 19 the best of everything they have. 20 isn"t about how to live through the storm, but how to dance in the rain. ( )1. A. breath ( )2. A. persuading ( )3. A. if ( )4. A. taking off ( )5. A. very ( )6. A. turn up ( )7. A. needed ( )8. A. daughter ( )9. A. late ( )10. A. lonely ( )11. A. so far ( )12. A. recognize ( )13. A. moved ( )14. A. only ( )15. A. curiosity ( )16. A. realize ( )17. A. agreement ( )18. A. necessarily ( )19. A. learn ( )20. A. Adventure B. test B. promising B. before B. fixing B. also B. show off B. forgot B. wife B. well B. worried B. neither B. answer B. disappointed B. then B. tears B. suggest B. expression B. completely B. make B. Beauty C. seat C. understanding C. since C. looking at C. seldom C. come on C. agreed C. mother C. around C. doubtful C. no longer C. believe C. surprised C. thus C. words C. hope C. acceptance C. naturally C. favor C. Trust D. break D. telling D. after D. winding D. not D. go away D. happened D. sister D. there D. hungry D. already D. expect D. satisfied D. still D. judgment D. prove D. exhibition D. frequently D. try D. Life
4 将下列离子Na +、K +、Cu 2+、H +、NO 3 -、Cl -、CO 3 2-、OH -按可能大量共存于同一溶液的情况，把他们分成A、B两组，而且每组中均含两种阳离子和两种阴离子。 A组：_______________ 。 B组：_______________ 。
5 关于冲量和动量，下列说法中正确的是（） A．动量是矢量，它的方向与速度的方向相同 B．冲量是矢量，它的方向是由力的方向决定的 C．冲量的方向一定和动量方向相同 D．冲量的方向一定和动量变化的方向相同
6 War is closely____ poverty since they always go_____. A．related with; hand in hand B．connected to; hand in hand C．related to; hand in hand D．concentrated on; hand in hand
7 It was not until I came here _______I realized this place was famous for not only its beauty but also its weather. A who B that C where D before
8 下列关于影响农业生产布局条件的叙述,正确的是 A．古巴大规模种植甘蔗是因为该国土壤肥沃 B．上海郊区建设奶牛场是因为地处亚热带,适宜奶牛生长 C．我国北方农业生产以旱作为主是因为降水量少,用水紧张 D．1996年,我国北方苹果大量滞销是因为价格太贵
9 There is an old bridge ____ the river. A.above B.in C.over D.on
10 以下程序输入2，3，4运行后，输出的结果是______ INPUT a，b，c a=b b=c c=a PRINT a，b，c．