How is the ductility of a metal normally affected by cold working?Why?
举一反三
- A ductile metal becomes harder and stronger as it is subjected to cold working
- It's well known Chinese people are hard working A: as if B: that C: how D: why
- I have no idea ____ she is so cold to me. A: what B: when C: how D: why
- In fact, there were different reasons___people are working long hours. A: where B: which C: why D: how
- What is the purpose of the first paragraph? （Text 1B) A: to describe what life was like working as a waitress B: to explain how waitressing helped prepare Griffiths for life as a photographer C: to compare Griffiths’ life before and after becoming a waitress D: to complain about how working as a waitress affected Griffiths’ university studies