根据“Papermaking,printing,gunpowderandthecompass”可知,应该说的是中国古代的四大发明,由空前的“four”可知,空缺处应该填的是可数名词invention“发明”的复数inventions,故填(i)nventions。 19.(m)ention 【详解】句意:——谢谢你借给我《汤姆·索耶历险记》这本书。——不客气。根据“Thanksforlendingmethe...
often less than a couple years. However, beginning in the late 1980s, antiretroviral drugs were approved by the FDA. Over the next decades, advances continued, as did the methodology of administering the drugs.
Unit+6+When+was+it+invented 英语人教版九年级上册 .pptx,第一课时 Section A (1a-2d);一、根据句意,用括号中所给单词的适当形式填空。 1.Mobile phones play a very important part in our ___ (day) life. 2.The ___ (invent) of printing was a milestone (
Another point: in the US (terms differ in the UK and Europe) Trap is a center bunker house that has a machine which tosses clay birds out away from shooters, and skeet is two houses, a high and a low, that launch clay birds across the field in front of the shooters. International ...