在“每修事十两,用石蜂窠六两尽为度”中,“修事”之义为()
A.做事
B.服食
C.制造
D.炮制
参考答案:D
三个人准备去爬山,天气预报说今天可能下雨,围绕天气预报,三个人争论起来。甲说:“今天可能下雨,那也并不排斥今天可能不下雨,我们还是去爬山吧。”乙说:“今天可能下雨,那就表明今天要下雨,我们还是不去爬山了吧。”丙说:“今天可能下雨,只是表明今天不下雨不具有必然性,去不去爬山由你们决定。”对天气预报的理解,三个人中( )。
A.甲和丙正确,乙不正确 B.甲正确,乙和丙不正确C.乙正确,甲和丙不正确 D.丙正确,甲和乙不正确
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.