21、1个氧分子有几个自由度? How many degrees of freedom does an oxygen molecule have?A.1B.2C.3D.5
21、1个氧分子有几个自由度? How many degrees of freedom does an oxygen molecule have?
A.1
B.2
C.3
D.5
参考答案和解析
5
相关考题:
() received law degrees as today. A.Never so women haveB.The women aren’t everC.Women who have neverD.Never have so many women
In the forest corresponding to the following binary tree,how many children does node B have?A. 1B.2C.3D.4
“________have you visited the Great Wall?” “Twice.” A.How soonB.How oftenC.How many timesD.How long
How many books do you have? I have ______ book .That's ______ English book. A、a,anB、a,oneC、on,anD、one,one
How does foam extinguish an oil fire ?______.A.By cooling the oil below the ignition temperatureB.By removing the fuel souce from the fireC.By excluding the oxygen from the fireD.By increasing the weight of the oil
We have to get that car fixed ().Ano matter it costs how muchBno matter how much costs itCno matter how much it costsDno matter how much does it cost
We have to get that car fixed ().A、no matter it costs how muchB、no matter how much costs itC、no matter how much it costsD、no matter how much does it cost
How many languages does Peter speak?()A、Many languages.B、Pretty well.C、Four languages.D、With his roommates.
How many skills may an agent have?()A、25 B、50 C、no enforced limit D、as many as the number of ports supported on the server
问答题A farmer has a field containing a certain number of pigs and hens. Between them they have 36 heads and 100 feet. How many pigs and hens does the farmer have?
问答题Mother gave Alice 30 dollars. She spends a fifth of the 30 dollars on books, a quarter of the remainder at a hairdresser’s and buys a new skirt for 10 dollars. How many dollars does she have now?
问答题The Shakespearean drama opens with a moral dilemma—how to choose between individual freedom and societal Aneeds—then introduced the possibility that one does not always have the power to choose one’s own fate.No error B C D E
单选题How does the engine adjust itself to different formulas of fuel?ABy piping in more oxygen for ethanol.BBy sensing the amount of oxygen in a car’s exhaust.CBy burning in a less-than-optimal mode.DBy stopping and checking the fuel tank.