()是用于工业、农牧业、林业、公务、通勤、体育和娱乐等方面的航空。
A、商业航空
B、民用航空
C、军事航空
D、通用航空
参考答案:D
患者女,28岁。腹痛腹胀6个月。患者6个月前无明显诱因出现腹痛,由脐周痛逐渐转为全腹痛,呈持续性腹痛,与进食、排便无明显关系,渐进出现腹胀、乏力、食欲缺乏,无恶心呕吐,无腹泻,无气短,无发热、盗汗。发病以来小便正常,大便干燥,体重减轻4kg。既往6年前患肺结核,已治愈。否认肝炎病史。查体:慢性病容,消瘦,睑结膜无苍白,浅表淋巴结未触及肿大,心肺查体未见异常,腹膨隆,无腹壁静脉曲张,肝脾肋下未触及,全腹压痛,触诊柔韧感,无反跳痛,腹部未触及包块,移动性浊音阳性,肠鸣音活跃。双下肢无水肿。化验血常规、肝肾功、血清淀粉酶、脂肪酶正常。
据本例患者特点,不除外哪些诊断()。
A.自发性细菌性腹膜炎
B.结核性腹膜炎
C.腹膜及腹腔器官肿瘤
D.巨大卵巢囊肿
E.胰源性腹水
F.心源性腹水
句型转换。
1. She likes blue and green best. (对画线部分提问)
________ ________ ________ she like best?
2. His brother played with a cat in the garden. (对画线部分提问)
________ ________ his brother ________ in the garden?
3. It's 8 o'clock in the morning, let's have breakfast. (合并成一句)
It's time ________ ________ ________ have breakfast.
4. He has something to say. (改为否定句)
He ________ ________ ________ to say.