A: A. thermal
B: B. mechanical
C: C. atmospheric
D: D. chemical
举一反三
- The crankshaft and connecting rod converts energy into energy used to drive the vehicle. A: mechanical, thermal B: mechanical, kinetic C: thermal, mechanical D: kinetic, mechanical
- The production process of thermal power plant is to convert () of fuel into electric energy. A: chemical energy B: heat energy C: mechanical energy D: kinetic energy
- Climate change was probably important in both ______ and evolution of dolphins. A: execution B: B. extinction C: C. exclusion D: D. excavation
- 4) I have had ______ mild headaches all my life.A. dimensional B. visional C. occasional D. fusional A: dimensional B. visional C. occasional D. fusional B: visional C. occasional D. fusional C: occasional D. fusional D: fusional
- 【单选题】English is one of____ spoken in the world. A. the important languages B. the most important languages C. most important language D. the most important language A. A. the important languages B. B. the most important languages C. C. most important language D. D. the most important language
内容
- 0
Engine<br/>crankshaft and connecting rod assembly is one of the assemblies in<br/>the engine. It converts ( ) energy into mechanical energy used to<br/>drive the vehicle. A: chemical B: thermal C: physical D: electrical
- 1
There are _______ parts in Great Britain and ________ parts in Britain. A: A. three; three B: B. three; four C: C. four; three D: D. four; four
- 2
_________is the most promising one to get large area and high-quality 2D materials for the applications of electronics. A: Mechanical exfoliation B: Intercalation and Selective etching C: Hydrothermal D: Chemical vapor deposition (CVD)
- 3
One way scientists study climate change is through ice core samples. What information does this tell us about the climate? A: impact of changing sea levels on the climate B: frequency of thermal inversions in the atmosphere C: greenhouse gas concentrations, atmospheric conditions and trends in atmospheric temperature D: rate of solidification of greenhouse gases in the atmosphere E: nothing, this is not a way to study climate change
- 4
Rites are important to secure social _________ A: A. justice B: B. crcle C: C. order D: D. Activities