Mercury freezes if it is cooled to＿.
A: a too low temperature
B: too low temperature
C: a low too temperature
D: too low a temperature
A: a too low temperature
B: too low temperature
C: a low too temperature
D: too low a temperature
举一反三
- The aphotic zone (bottom of the ocean) will have ____ and ____ while the photic zone (surface of the ocean) will have ____ and ____. A: low temperature, low salinity; high temperature, high salinity B: low temperature, high salinity; high temperature, low salinity C: high temperature, high salinity; low temperature, low salinity D: high temperature, low salinity; low temperature, high salinity E: both have equal temperature and salinity
- 3.Coolant temperature: means the coolant temperature is too high or the coolant level is too low．
- For tool steel, the heat treatment is usually: () A: spheroidizing followed by quenching and low temperature tempering B: carburizing followed by quenching and low temperature tempering C: Quenching and high temperature tempering D: normalizing
- 执行下列语句后结果是_________temperature = 50if temperature >= 100: print("too hot")elif temperature <= 40: print("too cold")else: print("just right") A: too hot B: too cold C: just right D: too hot too cold just right
- If △H value of a reaction is positive, the conditions that must be a spontaneous process is(). A: △S value is positive and high temperature B: △S value is positive and low temperature C: △S value is negative and high temperature D: △S value of is negative and low temperature