題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
4. 如圖,直角△ABC中,∠B=90°、∠A=60°,G點為其重心,若=6,則BG= (4) 。△ABC的內切圓半徑為 (5) 。
問題詳情
4. 如圖,直角△ABC中,∠B=90°、∠A=60°,G點為其重心,若
=6,則BG= (4) 。△ABC的內切圓半徑為 (5) 。
參考答案
答案:D
難度:簡單0.701357
統計:A(12),B(29),C(18),D(155),E(0)
上一篇 :
【題組】35.丁烷的燃燒屬於下列何種反應?_____ 。(2分)(甲)吸熱的氧化反應 (乙)放熱的氧化反應 (丙)吸熱的還原反應 (丁)放熱的還原反應。
下一篇 :
23 New research suggests that our memory can be improved when we give our brain the chance for acomp
資訊推薦
16 The________ date for a medicine is the last date that the manufacturer guarantees the medicine is
7 Many people think____________ time is when the plane takes off. Actually it is when the flight iss
【題組】36.小誠刑警的推斷依據:「瓦斯罐中的丁烷只使用了 m 公克,若完全燃燒,只需要 n 公克的氧氣。家中的氧氣量不可能不足,就算真的不足,產生的一氧化碳量也不足以致命。」m =_____, n
【題組】32.0承上題,若丁地有一農夫在燒稻草,則燒稻草的濃煙可能被風吹向何方?(A)東北方 (B)東南方 (C)西北方 (D)西南方
24 As flying becomes increasingly time-consuming and less attractive, a new London-to-Amsterdamrail
17 Firms that are less productive will go out of business. This creates an_________ for firms to be
8 The police have not _______that the man in the car accident is indeed the suspect of the bankrubbe
【題組】37.小誠刑警在陽台發現的湯鍋只經過兇手匆忙沖洗,內部有些許殘留的木炭和焦黑痕跡,但是將木炭刮開後,原本被覆蓋的金屬部份卻異常閃亮,請推測這個現象發生的可能原因。(4分)
25.( )農夫將收割後留在田裡的稻草燒成灰,當作肥料,又可以中和土壤的酸鹼性,稻草灰中可以作肥料,又可以中和土壤酸鹼性的成分是什麼? (A)氯化鈉 (B)碳酸鉀 (C)硫酸鈉 (D)氯化鉀。
25 Staying safe when skiing or snowboarding in the mountains is crucial and an important part of tha
18 We ordered two_________ , chicken wings and Mozzarella sticks, salad and soup before the maindish
9 Tourists must have_____________ passport before they apply for visas.(A)void(B) valid (C) vacant (
1. 下列何者不包括在本學期數學的課程內容裡?(A)乘法公式(B)因式分解(C)解一元二次方程式(D)等差數列
26.( )將36公克的葡萄糖(C6H12O6)以蒸餾水100毫升溶解後再稀釋至500毫升,則此葡萄糖溶液的莫耳濃度為多少?(A)0.4M (B)0.2M (C)0.1M (D)0.25M
26 A simple “Please,” “Thank you,” and “I’m sorry” in the local language_________ a long way whenyou
19 When travelling with delicate or breakable objects, you′d better declare them as ___________. The
10 John dragged the injured woman out of the kitchen while Jack used a fire __________to fight the f
50 下列那一個標章代表交通部觀光局頒訂的合法民宿?(A) (B) (C) (D)
27.( )(甲)凡是酸在水中均可以解離出氫離子;(乙)在相同體積時,純硫酸中的H+比稀硫酸的H+多;(丙)溶解度大的酸叫作強酸;(丁)紅色石蕊試紙遇酸不會變色。上述哪些正確? (A)僅甲丁 (B)僅
27 A medical emergency can cost you a lot of money. It is suggested that you buy travel ________befo
20 It was a__________ night for travelers at Miami International Airport. Thousands of inboundpassen
11 It was only a four-hour drive to cross the desert and reach the costal city, but we ran out of ga
2 It is very kind of you to give me a _________to the airport.(A)leave (B) seat (C) ride (D)take
28.( )下列有關化學反應速率的敘述,何者錯誤? (A)將一個正立方體的固態反應物平均切割成64個小立方體,其他條件不變,反應速率將變為原來的4倍 (B) 40℃時的反應速率必為20 ℃時的2倍 (
28 Gansu’s__________ landscapes include the Gobi Desert, the Yellow River, numerous mountainformatio