有资格申请加入凭证式国债承销团资格的是（ ）。
参考答案
参考解析
【单选题】
某海员，24岁，出现牙龈出血、肿胀、关节肌肉短暂性疼痛，疑为维生素C缺乏，需进行维生素C营养状况评价。
当施行尿负荷试验时，应给予维生素C的量是
200mg
300mg
400mg
500mg
600mg
【单选题】
When students take an end-of-term exam to assess how well they have learnt in the past term, they are taking a(n) ______.
aptitude test
proficiency test
placement test
achievement test
【单选题】
某男，60岁，患皮肤瘙痒3年，刻下全身遍布抓痕、结痂、黑色斑点，时起脓包，自觉奇痒，搔抓不已，遇热及夜间更甚，痛苦不堪，医师诊为疥疮，准备为其配制杀虫止痒外用药膏，宜选用的药是（）
硫黄
雄黄
轻粉
蟾酥
铅丹
【单选题】
The hummingbird's feathers sparkled and glittered in the sunlight,_______.
its back is shiny green and its throat bright red
its back shiny green and its throat is bright red
its back is shiny green and its throat is bright red
its back shiny green and its throat bright red
