UNEP has found______. A: 182 resistant pests B: 223 resistant pests C: 228 resistant pests D: 364 resistant pests

Each cylinder is closed at the top by a （）， made of a special heat-resistant steel.

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 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

Potato A: A, love chilly and be afraid of heat B: B, love cold and be afraid of heat C: C, love heat and be afraid of cold D: D, love heat and be afraid of cold

Whichofthefollowingdose Not refer to"impervious"? A: resistant to B: unaffected C: permeable

The precipitation hardening processes include （） heat treatment and （） heat treatment.

Air preheater is a heat exchange device which uses the heat of flue gas to heat the air needed for combustion. () A: Right B: Wrong

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