【简答题】To make a living, he tried ____and various other things, but he had failed in all. (write)
【单选题】All the money he had had been ____, so he had to make a living by begging.
【单选题】Little Tom is an orphan___, he has to make a living by himself.
【判断题】对小麦病毒病,目前主要依靠药剂进行防治。
【判断题】In 1993, he started to make a living working for Columbia University as a janitor.
【单选题】女,43岁。突然呼吸困难3小时。神志清楚,两肺广泛哮鸣音。血pH7.47,PaCO 2 30mmHg,PaO 2 75mmHg,BE3mmol/L。患者可能是()。
【单选题】He has to make a living by himself because he doesn’t have parents to().