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问题 多项选择题

下列关于流体静力学问题的说法，正确的是（）

A、在流体内部的同一点上，压强随受压面方位的不同而变化；

B、流体粘性的本质是流体分子间的相互作用及分子热运动引起的动量输送；

C、作用于流体微团上的彻体力是由流体微团本身的质量决定的；

D、当流体处于平衡状态时，流体内部一点压强沿某一方向的偏导数即为单位体积的彻体力在该方向的分量。

答案

参考答案：B, C

单项选择题

以下关于培训费用的说法，错误的是( )。

A．是指企业在员工培训过程中所发生的一切费用之和

B．间接培训成本是指在培训组织实施过程之外企业所支付的费用

C．由培训之前的准备工作和培训实施过程中各项活动的费用构成

D．直接培训成本是在培训组织实施过程中培训者与受训者的一切费用总和
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单项选择题

After winning a big game, athletes are often asked how they feel. Usually athletes say how (1) it is to win this big game. On the contrary, the fact is that losing a big game, or in my case, all the games, can be even harder.
From the spectators’ point of view, last year’s basketball (2) for my high school team was nothing (3) of an embarrassment. And (4) 0 and 20 is certainly nothing to be proud of, that season had a bigger impact on me than any other. As a team captain, I knew it probably wouldn’t be the (5) year, but did I ever think we would lose every game Of course not. Since six of our top players had graduated, it was clear that we were a (n) (6) team who would struggle. The struggle began earlier than expected, (7) , as our team center was suspended (禁赛) for the season, and two key members decided to (8) for some reason. At this point, dropping out probably passed through every player’s mind, but in the end, we all stuck if out, (9) to work still harder.
Then there came a time when even our (10) and given up on us. Personally, I felt like it was (11) worthwhile giving my all. I thought, if even the coach doesn’t believe in us, why should I But just as my hope began to (12) , a teammate called a meeting. He said," Nobody thinks we are going to win, but, as teammates and friends, we (13) it to each other to go all out every game. "
It was that moment that (14) me how to be a leader. It hit me that I certainly didn’t (15) the role. As a leader you can never quit (16) the team who looks up to you. It is one (17) to be named captain, feel great and go through the motions, but it is quite another to be a real captain and make sure everyone realizes their full (18) all the time.
I am sure it is great to go through without losing and bringing home awards. But in all honesty, I (19) the fact that my team lost every game last year. It may not help me to become a better basketball player, but it already has made me a better leader, and (20)

A．hoping
B．swearing
C．claiming
D．wishing
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