Whichthematicprogressionpatternhasbeenus...72).Electronics,p.61
举一反三
- Whichthematicprogressionpatternhasbeenusedinthisparagraph? TheinventorofthediodevalvewasFleming.Hemadeuseofthefact,firstnoticedbyEdison,thatanelectriccurrentcouldbemadetoflowacrosstheemptyspacebetweenthehotfilamentofanelectriclampandanothermetalelectrodeplacedinsidetheevacuatedbulb.Thiseffectdependsuponthethermionicemissionofelectronsfromtheheatedmetalfilament. (W.P.Jolly,(1972).Electronics,p.61)
- 第二次世界大战中，反法西斯联盟大约有多少个国家和地区？ A: 50 B: 61 C: 72 D: 81
- 二进制数101111B转化为十进制是______。 A: 47 B: 61 C: 15 D: 72
- What is the relationship between electronics and commerce in e-commerce? A: Focus on electronics, business is an important support B: Focus on business, electronics is an important support C: Electronics is the essence, business is the appearance D: There is no connection between electronics and commerce
- 内胚乳在整个谷粒的比例是（）。 A: 61% B: 72% C: 83% D: 92%