关于WB.S分解到什么程度,下面哪一项是错误的?()
A.直到能够指定责任人或可以外包
B.直到能可靠地估计进度
C.直到能由一个人完成
D.直到能可靠地估计成本
参考答案:C
中药炮制学的定义
A.中药炮制学是专门研究中药炮制理论、工艺、规格标准,历史沿革及其发展方向的学科
B.中药炮制学是中医用药的一个特点
C.中药炮制技术要根据中医药理论,依照辨证施治用药的需要而制定的学科
D.中药炮制学是研究药物制备方法与工艺的
E.中药炮制学研究药物自身性质,以及调剂、制剂
Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.
About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time! With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag.
27()
A.empty
B.narrow
C.secret
D.open