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【简答题】
Directions: Read the following passage. Answer the questions according to the information given in the passage. My First Long Run Two weeks ago, I had a quarrel with my husband. After he had driven off in anger, I realized that I wasn't going to feel any better just sitting there. Feeling abandoned and guilty, I put on my gym shoes to get some fresh air. Our driveway has a slope (斜坡) that is easier just to jog down if you are lazy, taking advantage of gravity. Instead of stopping at the end of the lope, I decided to see if I could just jog to the end of the street. I had tried a few moths ago and failed miserably. Since that first attempt I had been jogging regularly and was significantly fitter, but still very lazy. However this time around I managed to reach the stop sign with ease and I figured I would go a little further. After about one kilometer, however, I noticed that my upper body was tense. To make the movement easier I had to relax my body, and tried to take deep breaths of fresh air. I kept giving myself the excuse to stop. No one would be disappointed. No one would even know. But I didn't stop. I wanted to keep going harder, better, faster, stronger. To my great surprise, I ran 4.9 km in 31 minutes. When I got back, I had tears in my eyes. I did some thing I thought I could never do. It was the first run of my life. Since then, I have improved my stride (步幅) and time. After every run I feel fitter, happier and motivated to keep progressing. I love the runner's high. I normally jog because I want to look good. I want to run because it makes me feel good. 1. Why did the author feel guilty? (NO more than 9 words) (2 marks) _______________________________________________________________________________ 2. What did the author fail to do miserably a few months ago? (NO more than 11 words) (2 marks) _______________________________________________________________________________ 3. What excuses did the author keep giving herself to stop? (NO more than 9 words) (3 marks) _______________________________________________________________________________ 4. How is running different from jogging to the author? (NO more than 14words) (3 marks) _______________________________________________________________________________
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【单选题】对于两个并发进程,设互斥信号量为mutex,若mutex=0,则( )。
A.
表示没有进程进入临界区
B.
表示一个进程进入临界区
C.
表示有一个进程进入临界区,另一个等待进入
D.
表示有两个进程进入临界区
【单选题】下列桥台中属于拱桥轻型桥墩的是( )。
A.
混凝土薄壁桥墩
B.
柱式桥墩
C.
钻孔桩柱式桥墩
D.
带三角杆件的单向推力墩
【判断题】税收法规是指国家最高行政机关根据其职权或国家最高权力机关的授权,依据宪法和税收法律,通过一定法律程序制定的有关税收活动的实施规定或办法。
A.
正确
B.
错误
【单选题】有关“合平面”的描述中错误的是:
A.
论述牙齿的上下位置关系多以牙合平面为准
B.
合平面约与耳屏中点至鼻翼中点的连线平行
C.
合平面与眶耳平面约成前向15度交角
D.
合平面一般指上颌中切牙近中切角至双侧第一磨牙近中颊尖顶两点所构成的平面
E.
眶耳平面为外耳孔上缘至眼眶下缘连线构成的平面
【简答题】阅读材料,回答问题。 “低碳”不仅是经济发展的生态原则,也是一种健康的生活方式。以下选取的是生活中的几个镜头: ①饭店里,有顾客拒绝使用一次性筷子。 ②集市上,有购物者向销售者一次次索要塑料袋。 ③学校里,空无一人的教室灯火通明。 ④在写字楼里,有人上下楼不乘电梯走楼梯。 ⑤农家院里,做饭,照明使用自家生产的沼气。“低碳”体现了人类对人与自然和谐关系的追求。如果以“实现人鱼自然和谐是环境伦理的应有...
【简答题】用化学方法区分丙烷、环丙烷、丙烯。
【单选题】下列关于牙牙合平面的描述中错误的是
A.
牙牙合平面与鼻翼耳屏线平行
B.
牙牙合平面与眶耳平面成15度交角
C.
上颌中切牙至第一磨牙均高出牙牙合平面约1 mm
D.
上颌磨牙的牙尖距离牙牙合平面的距离从前向后依次增大
E.
牙牙合平面约平分颌间距离
【判断题】列管等温反应器的水蒸气耗用量虽为绝热式反应器的一半,但因反应器结构复杂,耗用大量特殊合金钢材,制造费用高,所以不适用于大规模的生产装置。
A.
正确
B.
错误
【单选题】某药的时量关系为: 时间( t ) 0 1 2 3 4 5 6 C(μg/ml) 10.00 7.07 5.00 3.50 2.50 1.76 1.25 该药的消除规律是:
A.
一级动力学消除
B.
一级转为零级动力学消除
C.
零级动力学消除
D.
零级转为一级动力学消除
E.
无恒定半衰期
【简答题】某医药研究所开发一种新药,据监测,如果成人按规定的剂量服用该药,服药后每毫升血液中的含药量y(μg)与服药后的时间t(h)之间近似满足如图所示的曲线.其中OA是线段,曲线段AB是函数y=k?a t (t≥1,a>0,k,a是常数)的图象. (1)写出服药后每毫升血液中含药量y关于时间t的函数关系式; (2)据测定:每毫升血液中含药量不少于2(μg)时治疗有效,假若某病人第一次服药为早上6:00,为...
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