年級

問題的種類

英文 國中

這個圖表為什麼有兩個一樣的問題,但是不一樣的結果

(33~35) People in Taiwan never worry about getting hungry at night when there is nothing at home. They can walk to the convenience stores and get anything they want. In fact, in Taiwan, it is not possible that people fail to find a convenience store because it is part of our life. Convenience stores are working 24/7. In other words, finding a place to sit down and take a rest anytime is a piece of cake. In order to grow business, shopkeepers use some smart ways to have the buyers spend more. First, they put the most popular items at the buyers' eye level to let them see the items easily and often. Second, they drive the buyers to buy something cheap and small without thinking too much or give shoppers a special offer like "Buy One And Get One Free." Third, they try to have the buyers stay at the convenience stores as long as possible by setting up a seating area. They think the buyers will buy one drink after another once they stay longer. In a study, 73 teenagers answer two of the questions. The pictures below show their interesting answers. Which of the following do you like? The taste of the foods. The service. The prices of the products. The feelings in the convenience stores. 46 (63%) 132 (43.8%) |12(16.4%) (21 (28.8%) The polite clerks. 16(8.2%) The special offer. |14 (19.2%) The way of showing the products. 121 (28.8%) 0 10 20 30 40 50 Which of the following do you like? The taste of the foods. 18 (24.7%) The service. 11(15.1%) The prices of the products. 40(54.8%) The feelings in the convenience stores. 18(11%) The polite clerks. 29 (39.7%) The special offer. 19(12.3%) The way of showing the products. 17(9.6%) 10 20 30元 40 convenience store 便利商店 level高度 offer 優惠 result 結果 product 商品 46 132 50 A B

已解決 回答數: 1
自然 國中

求解謝謝

基礎學力題 BKA ) 1 15°C時聲音在空氣中速率為340m/s,某人站於兩山壁間發出一聲音,隔0.6秒影 第一次回聲,再隔1秒聽到第二次回聲,則兩山壁相距多少? (A)272m (B)374m (C) 544m (D) 1088m x = 17 340 P 1b594 1001209 248 (1) 2 船上用聲納去測量海底的深度時,若聲納之聲波自發射至接收的時間為3秒,測出 底的深度為2250 公尺,請問海水中聲音傳播的平均速率為多少公尺/秒? (A) 340 (C) 1500 (B) 750 (D) 2250 >>50=-=-=2×3× √ 121/2V = 2250, V = 15m x V, (B)3 小兔去看電影,她發現電影院的牆壁凹凸不平,而且地板也鋪滿了絨布地毯,請 種設計的功能為何? (A)加強聲音的反射(B)防止回聲干擾 (B)步 (C) (D) 10.起 ( (B) 1(C)擴大音量 (B) 4. (D)加快聲速 (B) 975m BA (C) 1020m (D) 1065m (A) 1 (B) 2 Z 5. 如右圖所示,小新在兩座牆壁之間敲擊音叉,則他所聽 到的第一個回聲與第二個回聲間相距多少秒?(假設當 時聲速為300m/s) 8-740x6 =2040 已知聲速為 340m/s,某船停於山壁前,鳴放汽笛同時以15m/s的速度等速駛離山 壁,6秒後聽到山壁傳來的回聲,試求船鳴放汽笛的位置與山壁間的距離為何? (A) 930m 1020-45:975 75x6 21020 x=2=45 300 m 600 m 2 (C)3(D)4 (A) 回 100x 27750 x 0.04-70 ) 6.漁夫在海上捕魚時,常使用可接收及發射超聲波的儀器,從海面向著正下方的海底探 測魚群的狀況。假設在海水中超聲波的傳播速率為1500m/s,則下列敘述何者正確? (A)發射超聲波 0.04 秒後傳回某魚群的訊息,該魚群約在海面下30m處 久(A)

已解決 回答數: 2
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