The children were found ________in the cave. A: trapping B: trapped C: be trapping
The children were found ________in the cave. A: trapping B: trapped C: be trapping
uildup of heat-trapping greenhouse gases
uildup of heat-trapping greenhouse gases
trapping mechanism:
trapping mechanism:
离子障（ion trapping）
离子障（ion trapping）
名词解释牵制机制( trapping mechanism)
名词解释牵制机制( trapping mechanism)
A rescue worker risked his life saving two tourists who＿＿in the mountains for two days. A: are trapping B: have trapped C: were trapping D: had been trapped
A rescue worker risked his life saving two tourists who＿＿in the mountains for two days. A: are trapping B: have trapped C: were trapping D: had been trapped
The sum of the sensible heat and the latent heat of any substance is known as ________. A: total heat B: residual heat C: specific heat D: superheat
The sum of the sensible heat and the latent heat of any substance is known as ________. A: total heat B: residual heat C: specific heat D: superheat
Many experts hold that the forthcoming decline of polar bears is______. A: directly caused by the diminishing Arctic ice B: directly caused by the atmospheric buildup of heat-trapping gases C: a symbol of the weather change D: absolutely based on the emission of heat-trapping gases
Many experts hold that the forthcoming decline of polar bears is______. A: directly caused by the diminishing Arctic ice B: directly caused by the atmospheric buildup of heat-trapping gases C: a symbol of the weather change D: absolutely based on the emission of heat-trapping gases
The efficiency of a material in absorbing heat is described by heat capacity
The efficiency of a material in absorbing heat is described by heat capacity
The red, orange and yellow lights contain ______. A: less heat than the other lights B: more heat than the other lights C: a great deal of heat D: a little heat
The red, orange and yellow lights contain ______. A: less heat than the other lights B: more heat than the other lights C: a great deal of heat D: a little heat