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【单选题】
It's quite common to get stuck on a problem--often because you have initial ideas about what the solution should be that block your ability to see the real solution. What is a next best step to take when you've already spent time reanalyzing the problem by focusing intently, and you find that you are simply stuck?A.
Mentally rethink the problem yet again from where you started, following each step carefully to look for where you may have gone wrong. If you do this enough times without taking a break, the answer will come to you.
B.
Stare intently--it is your focused mode that will provide the big picture perspective you need to solve the problem.
C.
Switch your attention to something completely different, or even better, go for a walk or take a shower--anything that allows your mind to relax and dart randomly around.
D.
Keep working away on the problem--the solution will come as long as you keep your focus on it.
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【简答题】打桥牌时，发牌按?
【单选题】在双筋梁计算中满足 2a s ′≤x≤ξ b h 0 时 , 表明
A.
拉压钢筋均屈服
B.
拉筋屈服 , 压筋不屈服
C.
拉压筋均不屈服
D.
拉筋不屈服 , 压筋屈服
【简答题】如果庄家没有完成定约,称庄家宕了 ___________________________________ 墩。
【简答题】如果庄家没有完成定约，称庄家宕了___________________________________墩。
【判断题】基本法规定，非中国籍的香港特别行政区永久性居民和在外国有居留权香港的特别行政区永久性居民当选香港特别行政区立法会议员，其所占比例不得超过全体议员的20%。()
A.
正确
B.
错误
【单选题】非中国籍的香港特别行政区政府永久性居民和在国外有居留权的香港特别行政区永久性居民可以当选为香港特区立法会议员，但其所占比例不得超过立法会全体成员的下列哪一比例?（ ）
A.
10%
B.
20%
C.
25%
D.
30%
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