資訊推薦

• 32.同積的鋁塊(密度:2.7公克/立方公分)和鐵塊(密度:7.8公克/立方公分)一起放入水中,則何者所受浮力較大?(A)鋁塊(B)鐵塊(C)者相等(D)無法比較
• 33.同質量的鋁塊密度:2.7公克/立方公分)和鐵(密度:7.8公克/立方公分)一起放入水中,則何者所受浮力較大?(A)鋁塊(B)鐵塊(C)兩者相等(D)無法比較
• -----註︰34及35题中密度由大至小為水梨＞鹽水＞蘋果-----【題組】34.將兩個重量一樣的果和水梨一起浸入水中,此時蘋果浮在水面上,而水梨則入水中,請問蘋果和水梨何者所受的浮力較大?(A)蘋果
• 【題組】35.將兩個體積一樣的果和水梨一起浸入水中,此時蘋果淨在水面上,而水梨則沉入水中,請問蘋果和水梨何者所受的浮力較大?(A)果(B)水梨(C)者相等(D)無法比較
• 36.同體積的木塊密度:0.8 公克?立方公分)和保利询(密度·0.2公克/立方公分)一起浮於水上則何者所受浮力較大?(A)兩者相等(B)保利龍塊(C)木塊(D)無法比較
• 同重量的木塊(密度:0.8公克/立方公分)和保利塊(密度:0.2公克/立方公分)一起浮於水上，【題組】37.則何者所受浮力較大?(A)兩者相等(B)保利龍塊(C)木鬼(D)無法比較
• 【題組】38.承37,木塊和保利龍塊,何者沒入水中的體積較大?(A)兩者相等 (B)保利龍魄 (C)木塊 (D)無法比較
• 10.如圖所示的電路,設R1=1歐姆,R2=2歐姆，R3=3歐姆,R4=4歐姆,R5=5歐姆,電池内無內電阻。試求流過R2的電流值為 (A)0.5(B)1(C)1.5(D)2 安培
• 39.大偉和爸爸去海邊釣魚時,發現浮標放入海水中的情形如圖九所示,假如下次他用相同的釣竿在淡水湖邊釣魚,則湖水的水平面可能會在浮標的何處? (A)浮標完全没入湖水中(B)乙處(C)維持原來水位(D)甲
• 7. Let z = where x = cos t, y =tan t. Use the chain rule to find the value of when t = 0.編輯私有筆記及自訂標籤
• 40.取甲、乙、丙三個質量相等的物體,其密度如表三所示。若將三個物體同時放入水中(水密度:1.0公克/立方公分),則甲、乙、丙所受的浮力的大小關係為何?  (A)甲＞乙＞丙(B)甲=乙＞丙 (C)甲=
• 11.鉛直豎立一根通有直流電的長直導線,一磁針在水平面上,自導線處向北方逐漸遠離導線,若磁針N極偏轉角度與北方夾角為θ時,磁針與導線相距r,則下列何者正確?(A) (B) (C) (D)
• 2. The country has been ________ by drought ever since the river that ran along the border was cut o
• 3. The students, too ________ to stand against the bully, are cowering in a corner with fear. (A)men
• 4. To ensure the mobility rights, protesters inveigh against the military ________ in their city. (A
• 5. Stephen Hawking is recognized for his ________ work on black holes and singularities. His theory
• 6. After its reputation plummeted, the drink brand attempted at repackaging and collaborating with o
• 7. It has been great to witness the transformation of this ________ housing into beautifully renovat
• 8. Too eager to impress his peers, the boy decided to scale the brick walls in a ________ move.(A)he
• 9. With both important subway lines passing through it, the station has become an important ________
• 10. The increasing population of the _______ cats is due to the irresponsible abandon of the pet own
• 二、克漏字：20％，每題 2 分       The idea that we might one day be able to construct some artefact which has a
• 【題組】12. (A) fervid (B) florid (C) feudal (D) fickle
• 【題組】13. (A) technology (B) bureaucracy (C) theology (D) proficiency
• Over the protests of her shocked parents, Maria Montessori decided at age    13    to become anengin