問題詳情
76. 如圖，四邊形PQRS為一長方形的電腦遊戲螢幕，長為25公分，寬為15公分。已知此遊戲的規則如下：一小球自 P 點射出，以直線方式，沿著與 
成45度的方向，在長方形的內部滾動，直到小球碰到 
。當小球碰到 ，小球會反彈，之後仍以直線方式，沿著與 
成45度的方向，在長方形的內部滾動。如果此球以此方式繼續在長方形的內部滾動，每次碰到邊再反彈後，均與此邊保持45度的方向前進。若此球從P點射出後，再次碰到P、Q、R、S其中一點就會停止，則該球會停在哪一點？
(A)P點
(B)Q點
(C)R點
(D)S點 
參考答案
無參考答案
內容推薦
- 42 Failing to take good care of his children, he is ________ a good father.(A) by chance (B) by all
- 51 The price of gold has gone up in recent years. We should ___________ this situation and invest a
- 50 The labor union discussed the ___________ of strike action at length in a business meeting yester
- 39 If you are afraid of height, you should not try _______.(A) jogging (B) long jump (C) bungee jump
- 46 The food, service, and atmosphere are much better at this restaurant ___________ the one where we
- 45 If you want to give a well-organized presentation, you should not ________.(A) seize the day (B)
- 43 After his release from prison, he promised himself he would __________ and never commit any crime
- 44 Due to keen competition, Tom’s application for a teaching position was ____________ by the screen
- 38 Paul’s ___________ pursuit of knowledge is praised highly by his instructor.(A) aggressive (B) re
- 41 His filing system is excellent and well-organized. All of the important information he needs is _
內容推薦
- 54 The temperature dropped from 30℃ to 5℃ in the afternoon, so we had to _______ before going out fo
- 56 Mary still experiences great difficulty to speak French after learning it for six months, _______
- 47 You can certainly improve your English ________ if you live with native speakers.(A) in no time (
- 48 A young man robbed the convenience store in broad daylight and _______ it.(A) got along with (B)
- 49 Would you mind if we _______ when we go out to have dinner tonight?(A) back up (B) carry out (C)
- 60 After a two-week vacation, Stephaine finally arrived home ____________.(A) safe and wealth (B) sa
- 61 The man, __________, is going to give a lecture at our school.(A) that I saw yesterday (B) to who
- 62 I look forward ___________ you at the conference on “How to Prevent Suicide.”(A) to meet (B) to m
- 63 Kristine can’t help feeling __________ when she has to give a lecture in front of a large crowd.(
- 55 Foreign visitors to the National Palace Museum are increasing __________.(A) by all odds (B) by a
- 57 The author refuses to _______ the taste of the readers.(A) stay put with (B) carry over (C) cater
- 59 John’s academic performance _______ his mother’s expectation.(A) catches up (B) gives away (C) fa
- 58 After a heated debate, Peter and Mary were finally able to ___________ their differences.(A) hold
- Flight attendants have the most contact with passengers, so their job is vital. Although most of the
- 【題組】72 How can the safety regulations be explained?(A) by serving food with plastic knives(B) by giv
- 64 He looks __________ he were very exhausted from work.(A) as if (B) whether (C) though (D) neverth
- 65 You’ve lived in California for a long time, _________?(A) aren’t you (B) have you (C) haven’t you
- 【題組】73 What would be the most important thing that the flight attendants do in case of emergency?(A)
- 66 Let us speculate who ________(A) our keynote speaker is? (B) are our keynote speaker.(C) our keyn
- 【題組】74 Which of the following services is NOT offered by the flight attendants?(A) cleaning up after
- 【題組】75 According to this passage, what would be the key role of the flight attendants?(A) ambassador
- 67 If I _________ you were sick, I would have given you a leave of absence.(A) have understood (B) h
- As computer use becomes more common, the need for security is more important than ever. One of thegr
- 【題組】77 How can hackers access the computer system?(A) by changing the security program (B) by manipu
- 68 A(n) ________ number of volunteers showed up in the press conference.(A) surprisingly (B) interes