评估上消化道出血病人病情的严重性,最为关键的是()。
A.原发病本身
B.呕血的同时是否有黑粪
C.出血量的多少
D.呕血的颜色
E.出血的速度
参考答案:E
A jewelry dealer initially offered a bracelet for sale at an asking price that would give a profit to the dealer of 40 percent of the original cost. What was the original cost of the bracelet ?() (1)After reducing this asking price by 10 percent, the jewelry dealer sold the bracelet at a profit of $403. (2)The Jewelry dealer sold the bracelet for $1,953.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
近代文学家梁启超在散文方面提倡的是()
A.骈体
B.选体
C.新闻体
D.新文体