【单选题】男,65岁。低热伴右侧腹部隐痛不适半年。查体:贫血貌,右侧中腹部扪及6cm×4cm质硬肿块,可推动,压痛不明显。最可能的诊断是:
【判断题】农产品中的农药残留来自农药的直接喷施,或从土壤中吸收,由水中传输,在空气中飘移等。
【单选题】Great men made their way _____ success in difficulties .
【单选题】"Depend on yourself" is what nature says to every man. Parents can help you. Teachers can help you. Others still can help you. But all these people only help you to help yourself. There have been many...
A.
they had received good education
B.
they were anxious to become rich
C.
they wanted very much to become well-known
D.
they made great efforts to learn and work
【单选题】直线l 的倾斜角是斜率为√3/3的直线的倾斜角的2倍,则l 的斜率为( )。
【单选题】男性,65岁。低热伴右侧腹部隐痛不适半年。查体:贫血貌,右侧中腹部扪及6cm×40m质硬肿块,可推动,压痛不明显。最可能的诊断是
【单选题】若直线L的斜率为1,则直线L的倾斜角为 ( )。
【简答题】I made myself familiar with all its places famous in history or fable. I knew every spot where a murder or robbery had been committed or a ghost seen. I visited the neighboring villages and added gre...
【简答题】A long time ago men hunted for their food . Often they killed wild animals , birds or fish . How did they kill the beasts? They used rocks and wooden sticks . Sometimes they fought with their own hand...