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18.下列有關直線運動的敘述,何者正確? (A)一質點作直線運動時,其平均速度的量值與平均速率一定相同 (B)一質點作直線運動時,其瞬時加速度與瞬時速度方向一定相同 (C)一質點作等加速運動時,其
問題詳情
18.下列有關直線運動的敘述,何者正確?
(A)一質點作直線運動時,其平均速度的量值與平均速率一定相同
(B)一質點作直線運動時,其瞬時加速度與瞬時速度方向一定相同
(C)一質點作等加速運動時,其平均加速度等於瞬時加速度
(D)一質點作等加速運動時,其軌跡必為直線
(E)一質點作鉛直上拋至最高點時,其速度為零,加速度亦為零
參考答案
答案:C
難度:適中0.555556
統計:A(1),B(1),C(5),D(2),E(0)
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5. The baby panda is being _____ studied by the scientists. Every move he makes iscarefully observed
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【題組】59. Invasive alien species may grow so much in number that the new environment loses theoriginal
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【題組】50. (A) in the extreme (B) in moderation (C) in deed (D) in astonishment
D.Human beings have made a great progress in agriculture. However, because of the advances ofmodern
6. Fully appreciating the convenience brought by the newly established i-bike system,he reckons that
19.一物體自空中靜止自由落下,其前半程和後半程的時間比為 (A)(+1):1 (B):1 (C)(-1):1 (D)1: (E)1:1
【題組】60. My life is repeatedly interrupted by spurts of anxiety and depression as one deadline aftera
【題組】51. (A) consumed (B) to consume (C) consuming (D) having consumed
【題組】42. (A) maintain (B) remain (C) retain (D) contain
7. The secretary was requested to be more precise in revising the contract so as toavoid _____ and m
20.某物作自由落體,已知落下第1秒內的距離是落地前1秒內的,則某物著地共費時多少秒? (A)2 (B)3 (C)4 (D)5 (E)6
IV. Discourse Organization (5%, 1% for each) After Japan’s Fukushima nuclear accident, more and more
【題組】52. (A) countered (B) supported (C) figured (D) cautioned
【題組】43. (A) leading (B) leaving (C) letting (D) allowing
8. For all the _____ ahead, he strived with heart and soul to triumph and finallyclaimed success in
21.某物作自由落體運動,若不考慮空氣阻力,則第2秒內的位移與2秒內的位移量值之比為何? (A)1:1 (B)5:9 (C)1:3 (D)1:5 (E)3:4
【題組】53. (A) which (B) who (C) that (D) what
9. It was _____ daring of her to venture out alone into the depths of the rainforestwithout any comm
22.一石自地面以初速v0鉛直上拋,則石可達最大高度h應為何? (A) (B) (C) (D) (E)
10. Due to a serious _____ of intellectual property, the graduate student was sued andpaid a substan
23.一物以初速10 m/s自地面鉛直上拋,若忽略空氣阻力,則拋後至落地,所經過的時間為多少秒? (A)1 (B)1.5 (C)2 (D)3 (E)6
二、綜合測驗 (40%)第 11 至 20 題為題組LOHAS, which stands for “Lifestyles of Health and Sustainability,” has bee
【題組】12. (A) mobilizing (B) trivializing (C) recycling (D) fostering
第 21 至 30 題為題組For the layman outside the medical circle, HeLa cells could be as obscure as mostmedic
【題組】13. (A) preached (B) degraded (C) segmented (D) reserved
第 31 至 40 題為題組Dear Aria,These days I can’t help feeling 31 about your imminent departure fromhome. Y
【題組】22. (A) To their credit (B) To make matters worse (C) To our relief (D) To be frank