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二、以水工模型研究水庫及其溢洪道的流況,其模型縮比皆為 1:100,忽略表面張力及黏滯性的影響,試問:【題組】(1)若欲獲得完全相似性,須滿足那些條件?(5 分)
問題詳情
二、以水工模型研究水庫及其溢洪道的流況,其模型縮比皆為 1:100,忽略表面張力及黏滯性的影響,試問:
【題組】
(1)若欲獲得完全相似性,須滿足那些條件?(5 分)
參考答案
上一篇 :
7. In Taiwan, drinking alcohol under the age of 18 is _______. It’s against the law!(A)lethal(B)ill
下一篇 :
【題組】45.(A)although(B)because(C)so(D)yet
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8. The development of mass transportation has greatly _______ the distance between the city and the
【題組】(三)壓密度(率)(5 分)
9. During take-off, the use of laptops and cellphones _______, so make sure they are all turned off.
10. The Great Wall, _______ goes from the Gobi Desert to the Yellow Sea, stretches for 6,000 kilomet
11. Clair bought many bed linens and towels _______ the department store’s clearance sale.(A)when(B
四、閱讀測驗【請依照段落上下文意,選出最適當的答案 ,選出最適當的答案】 The 7-year-old Alex Pring was born without most of his right ar
12. It was not until the early 21st century _______ of the consequences of global warming.(A)were p
【題組】22. Which of the following does NOT refer to Alex’s bionic limb?(A)A robotic arm.(B)A 3D printe
13. Tiffany may be very smart, _______ you can’t let her go by herself; she is, after all, just 10 y
22.乙烷氣體燃料的燃燒化學反應式 2C2H6(g)+ ? O2(g)? 4CO2(g)+ 6H2O(g),請問反應式中 O2(g)的係數為多少?(A) 4 (B) 5 (C) 6 (D) 7
【題組】23. What can we tell about Alex Pring?(A)The jokes on his arm made him miserable.(B)He was a bo
14. If you follow the news, you _______ what major events have happened recently.(A)knew(B)may know
15. 圖一為某地季節和晝夜變化分布圖,判斷該地最可能的位置為圖二中的何地? (A)甲 (B)乙 (C)丙 (D)丁。
23.以 0.50 mol鈉(Na)金屬與 0.20 mol氯氣(Cl2)反應產生氯化鈉(NaCl):2Na(s)+ Cl2(g)? 2NaCl(s),請問此反應中何者為限制反應物(limiting
【題組】24. What is said about a professionally made prosthetic arm?(A)The arm appears only in movies a
15. As lots of shoppers jostled in the store, _______ was hard for me to make my way to the cashier
32.在下列各水溶液中,通以相同電量電解,所產生的氣體體積於同溫同壓下最大的是下列何者?(A)飽和食鹽水 (B) 1M CuSO4(aq) (C) 1M KI(aq) (D)稀硫酸
24.於反應 3Sn2+ + 2Bi3+ ? 3Sn4+ + 2Bi中,還原劑為下列何物質?(A) Sn2+ (B) Bi3+ (C) Sn4+ (D) Bi
【題組】25. What is true about Limbitless Solutions?(A)It aims to help kids in need of an arm.(B)It is
三、克漏字測驗【請依照段落上下文意 【請依照段落上下文意,選出最適當的答案 ,選出最適當的答案】 Many smart people jump into English learning with g
16.有關理想變壓器的敘述,下列何者正確?(A)主線圈的匝數大於副線圈的匝數時,變壓後的電壓大於變壓前的電壓(B)主線圈輸入的電功率小於副線圈輸出的電功率(C)主線圈的匝數大於副線圈的匝數時,副線圈的
33.有機物的沸點可能受到有無氫鍵以及凡得瓦力大小的影響,請問下列沸點高低順序,何者正確?(A)乙酸>乙醇>乙烷 (B)乙醇>乙酸>乙烷 (C)乙烷>乙醇>乙酸 (D)乙酸>乙烷>乙醇
25.在等溫的狀態下,甲烷(CH4)氣體於 10.0 L鋼瓶中的壓力為 1200 mmHg。當此甲烷移轉至 30.0 L的鋼瓶時,其壓力將變為下列何數值?(A) 300 mmHg (B) 400 mm
【題組】17.(A)At least(B)That is(C)In addition(D)Despite this
17.頻率為 680 Hz的音叉,在室溫 15°C 時所發出的聲波波長為多少公分?(A) 0.5 (B) 2 (C) 50 (D) 200