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【简答题】
What is wrong with these two students? Why couldn’t they show their real ability when they took the exams? 小题1:___________________.This kind of problem is called “test anxiety”. In some cases, students have headaches or stomachaches. The result is usually poor grades. Teachers and parents often think that such students get poor grades just because they are too lazy. 小题2: ______________. However, their poor grades are not always the result of laziness, but may be the result of nervousness. Nowadays there are special teachers in schools to help such students.小题3: ____________________. One way to overcome test anxiety is to learn to relax by exercising. Try some stretching exercises for a few minutes just before an exam. 小题4:_______________. First, breathe normally for one minute, counting the number of breaths you take. If you take ten breaths a minute, then, breathing deeply, take only five breaths a minute. Continue this for five minutes. Another method is like this: sit comfortably, close your eyes, and relax every part of your body. Try to keep your mind on one thing—something simple like tree. 小题5:________________________. Five minutes of doing this before an exam will help to keep you calm. A.They teach them how to become calm and stay relaxed. B.Everyone has the right to a good weekend relax after five days on work and school assignments. C.It is because they were so nervous that they couldn’t think or write clearly. D.Another helpful method is to breathe deeply. E. They tell these “lazy” students to study hard. F. Maybe you will think about other things, but keep coming back to the tree.
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【单选题】89c51 指令 MOV 20H,C 中的 20H是指___________
A.
立即数
B.
内部 RAM20H 单元
C.
位地址 20H单元
D.
ROM地址 20H单元
【简答题】恒温下 , 反应 2NO 2 (g) = N 2 O 4 (g) 达到平衡后的体系中加入惰性气体,则:A. 平衡向右移动 B. 平衡向左移动 C. 条件不充分,无法判断 D. 平衡不移动
【单选题】恒温恒压下 , 反应 2NO 2 (g) = N 2 O 4 (g) 达到平衡后的体系中加入惰性气体,则
A.
平衡向右移动
B.
平衡向左移动
C.
条件不充分,无法判断
D.
平衡不移动
【简答题】简述承重模板的拆除原则
【单选题】恒温下,反应 2NO 2 (g) = N 2 O 4 (g) 达到平衡后的体系中加入惰性气体,则 :
A.
平衡正向移动
B.
平衡逆向移动
C.
平衡不移动
D.
条件不充分,无法判断
【单选题】one-story, two-story, three-story
A.
one-story
B.
two-story
C.
three-story
【判断题】长江流域旅游区的旅游旺季为春秋两季。
A.
正确
B.
错误
【单选题】如果追加订货不影响正常销售的完成,即利用剩余生产能力就可以完成追加订货,又不需要追加专属成本,而且剩余生产能力无法转移。此时是否接受追加订单的决策分析的基本思路是()。
A.
只要追加订单的单价大于该产品的单位变动成本,就可以接受该追加订货
B.
只要追加订单的边际贡献大于追加的变动成本,就可以接受该追加订货
C.
当追加订货创造的边际贡献大于转移剩余生产能力的可能收益时,则可以接受该追加订货
D.
当追加订货的边际贡献足以补偿减少的正常边际贡献时,则可以接受该追加订货
【单选题】已知某药按一级动力学消除,上午 9 时测得血药浓度为 100μg/ml,晚 6 时测得的血药 浓度为 12.5μg/ml,则此药的t1/2为
A.
4h
B.
2h
C.
6h
D.
3h
E.
9h
【判断题】恒温下,在反应2NO2(g)=N2O4(g)达到平衡后的体系中加入惰性气体,则平衡不移动。()
A.
正确
B.
错误
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