問題詳情
22.向上發射一枚砲彈，經x秒後的高度為y公尺，且時間與高度的關係為 
。若此砲彈在第7秒與第14秒時的高度相等，則在下列哪一個時間的高度是最高的？
(A)第8秒
(B)第10秒
(C)第12秒
(D)第15秒
。若此砲彈在第7秒與第14秒時的高度相等，則在下列哪一個時間的高度是最高的？(A)第8秒
(B)第10秒
(C)第12秒
(D)第15秒
參考答案
答案：B
難度：簡單0.7
統計：A(2),B(42),C(8),D(4),E(0)
內容推薦
- Why does the writer of the letter that Electro-Robo is violent?(A) It is controlled by radio
- 有關價帶與傳導帶的能量差大小，下列何者正確？(A)金屬＞半導體＞絕緣體(B)半導體＞絕緣體＞金屬(C)絕緣體＞半導體＞金屬(D)絕緣體＞金屬＞半導體
- BLast night’s meteor(流星) shower left many people in the community dissatisfied and demanding answers
- BHead of ResearchSatary: & 27We are looking for a Head of Research to manage the CWU research Dep
- 57．What can we learn about some Australian’s ancestors from Paragraph 2?(A)They were brought to
- 某燒杯內裝有一公升0 M的鹽酸（HCl水溶液），若將下列不同莫耳數的氫氧化鈉（NaOH固體）加入燒杯內，混合均勻，何者最接近中性（pH＝7）？(A)0.5莫耳 (B)0.8莫耳 (C)0
- 49．(A)about (B)for (C)with (D)like
- 下列何者，其碳原子與石墨之碳原子不具有相同之混成軌域？(A)乙烯(B)苯(C)乙烷(D)C60
- 43．(A)lecturer(B)scientist(C)speaker(D)woman
- —Can you believe I had to pay 30 dollars for a haircut? —You should try the barber’s ______ I go.
內容推薦
- 有數種液態物質，形成分子間氫鍵者為何者？(A)CH3OCH3 (B)C2H5NH2 (C)CH3COCH3 (D)CH3CHO
- Mark _______ have hurried. After driving at top speed, he arrived half an hour early. (A) needn’t
- 共有10匝之矩形迴線，邊長為10公分及4公分，置於強度B＝0.5Tesla的均勻磁場中，當線圈上有8安培電流，且圈面法線與磁場方向夾37°角時，則此矩形迴線所受的力矩量值為多少公尺-牛頓？(A)
- (A) trade (B)distance (C) connections (D) greetings
- Electro-Robo can do all the following EXCEPT ______-.(A) sitting down (B) shaking hands (C)
- I travel to the Binhai New Area by light railway every day, _____ do many businessmen who live i
- 50．(A)worry (B)respect (C)sympathy (D)pride
- 一體積A氣體與二體積B氣體化成二體積C氣體，若x、y、z分別表A、B、C一分子所含原子數，則下列何者錯誤？(A)x必為偶數，y可為偶數或奇數(B)x、y均必為偶數(C)x+2y=2z(D)x+y
- 2．----Just a moment, I haven’t finished packing my suitcase．---- ．It’s high time we left for the air
- 從原子或離子移去一個電子所需的能量大小次序，下列何組錯誤？(A)Li＞Be＞B(B)Li+＞Na+＞K+(C)O+＞O＞O－(D)Al3+＞Mg2+＞Na+
- 54．(A)busy (B)hungry (C)worried (D)asleep
- Traditional folk arts of Tianjin like paper cutting _______ at the culture show of the 2010 Shang
- 設有比重2，12M之硝酸溶液的重量百分率濃度為若干？(A)63%(B)8%(C)60%(D)36%
- 下列哪一原子有最大的第二游離能？(A)16S(B)19K(C)20Ca(D)38Sr
- What the author concerned about according to Paragraph 4? (A)Birds may take other migration
- Joining the firm as a clerk, he got reapid promotion,and _______ as a manager. (A) ended up (B)
- How did Andy avoid the bees in the end? (A) He asked Mr. Nelson in help. (B) He hid himsel
- 3．In the last few years thousands of films allover the word．(A)have produced (B)have been produced(C
- 在100ml之氧中形高壓放電，使氧氣吸收電能生成臭氣，於同溫同壓下，其體積收縮為90ml，試求有若干ml之氧氣變為臭氧？(A)60mlO2變為50mlO3(B)50mlO2變為40mlO3(C)
- This printer is of good quality. If it _______ break down within the first year, we would repair
- BF3最易與下列哪一種分子結合？(A)N2(B)NH3(C)Ne(D)CH4
- ( D )Many people write to newspaper and magazines to express their opinions. Letters to the editor m
- The first time I remember noticing the crossing guard was when he waved to me as I drove my son to s
- 欲由擴散分離下列各組化合物或元素時，分離最快者為哪一組？(A)HCl，CO(B)H2，D2(C)CH4，NH3(D)CO，CO2
- 55．(A)promised (B)allowed (C)expected (D)persuaded