問題詳情
2. 棒球比賽中，打擊者用力向斜上方揮棒，擊出高飛全壘打。若不考慮空氣阻力，則下列哪一圖可以代表球的動能Ek 與落地前飛行時間t的關係？
(A) 
(B) 
(C) 
(D)
參考答案
答案：D
難度：非常困難0
統計：A(2),B(0),C(1),D(0),E(0)
內容推薦
- 設等差級數＋……前 n 項的和為 171，求 n 的值。
- 【題組】(A) whether(B) while(C) with(D) for
- 五、依提示回答問題及翻譯(每題2分，共14分)【題組】Karen played tennis this morning. (加入at nine改寫句子)______________________
- 2It is normal for family members to argue with each other _____.(A)from time to time(B)later on(C
- 5My _______ came to the U.S. in the eighteenth century.(A) scholars(B) astronomers(C) explorers(D
- 7Nearly 58,000 American soldiers ______ during the Vietnam War.(A) passed(B) posted(C) detracted(
- 已知 HA 與 HB 兩種單質子弱酸，HA 的酸性較 HB 弱，下列敘述哪些正確？(A)解離常數 K1＝ ，K2＝ ，則 K1＞K2 (B)其共軛鹼 A－ 與B－ 的解離常數為 K1'
- 7The research team invented some _____ devices to help people to save energy in the daily life.(A
- 【題組】10(A) occurred(B) dawned(C) struck(D) crossed
- 【題組】It’s a _____ that you missed Wayne’s party. We had so much fun.
內容推薦
- 【題組】(2)=____________
- Ms. Chen helps a lot people, and she never asks them to pay ______. (A) forever (B) each other
- 【比的性質】設 p, q, r 為三個正數，且 ，則下列何者正確?(A) (B) (C) (D)
- 一架飛機從水平跑道一端，自靜止以5 × 104 N的固定推進力開始作等加速運動，第4秒末時，飛機瞬時速率為60 m/s。若飛機質量為1000 kg，則飛機在前4秒的加速過程所受之平均阻力為多少N
- 2Hilary’s boyfriend _____ her on her great speech.(A)required(B)trusted(C)complimented(D)encourag
- 【題組】To bake pies needs time. (改成用動名詞當主詞改寫)_______________________________________________
- 下列熔點高低比較何者正確？ (A)Al＞Mg＞Na (B)正戊烷＞異戊烷＞新戊烷 (C)SbCl5＞SbCl3 (D)Si＞NaCl＞Al＞HCl＞CCl4 (E)對二氯苯＞鄰二氯苯＞間二氯苯。
- 5The lady looked around in _______, not knowing what to do next.(A) acute(B) cord(C) instant(D)
- 【題組】如下圖所示之電路，OPA為理想，試求Zin= ______
- 1The results of this survey are not reliable because the people it questioned were not a typical
- 5The living room is so _______ that we can throw a party over here.(A) praiseworthy(B) evident(C)
- 3My best friend got seriously hurt in a car crash and is now in the hospital. I do wish him a spe
- 如附圖，將一個三角形剪成一個小三角形及一個梯形。若梯形上、下底的長分別為 14，兩腰長為 16，則下列哪一選項中的數據表示此小三角形的三邊長？ (A) (B) (C) (D)
- 3Most cell phones provide ________ to the Internet so that the users can get online all the time.
- 4The opening minutes of the action-thriller unfold with a display of gun violence that will be __
- ( )圖(12)，兩條寬度皆為6的紙條重疊得到一灰色區域，∠BAD＝60°，求四邊形ABCD的面積＝(A)12 (B)24 (C)36 (D)36 。
- 下列哪一組長度不能成為三角形的三邊長？(A) (B) (C) (D)5
- 若甲：糖水，乙：食鹽水，丙：酒精水溶液。在 1 atm 時，甲、乙、丙之凝固點相等，則下列敘述何者正確？(A)在 1 atm 時沸點：甲＝乙＝丙 (B)25°C 時之飽和蒸氣壓：丙＞甲＝乙 (C
- 1國道3號途經臺中市(A)清水與沙鹿區(B)沙鹿與梧棲區(C)清水與梧棲區。
- 【題組】1(A) what(B) when(C) whether(D) how
- 4There is mounting scientific evidence that global warming is already having _____ effects on bir
- 2In the Western culture, it is polite to _____ and kiss to greet each other.(A)hug(B)support(C)re
- 3汽車保險之理賠案件處理完竣後所有文件應保留幾年，以備查閱? (A)ㄧ年(B)二年(C)三年(D)四年。
- 1汽車保險車隊附加條款規定，當被保險人之經驗純保費損失率於1%至40%時，其機車第三人責任險純保質可減多少幅度? (A) -18%(B) -14% (C) -12% (D) -9% 。
- 3被保險人投保強制汽車責任保險，若其過去四年來均為無賠款紀錄時，則保費可減收多少? (A)18% (B)25% (C)26% (D)30% 。