—They ________ food every day, or they will be hungry.If it become evident that the virus is sping among humans, the vaccine will be required, but it would be uneconomical to distribute the vaccine if such signs do not appear, Liang said.Liang said vaccination is not the only effective way to prevent the disease.B．Printing was invented in China.
36. Get around 避开A woman holds a pair of twins during the 8th Beijing Twins Cultural Festival in Honglingji Park in Beijing on Oct , . More than 600 pairs of twins across the country took part in the two-day activity.n.大纲,轮廓,略图,外形,要点,概要;vt.描画轮廓,略述
3. A)【句意】灌溉系统组织严密是中国农业的典型特点 One of my classmates said,“You are lucky, you know, you have at least seen the world. I have just heard it. I have been told there are many colors in this world but I don't understand what color means.” 9. Some children display an _________ curiosity about every