
理化綜合練習3
Quiz
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
JianAn Chen
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將「地球到太陽的平均距離」定為 1 天文單位,各行星與太陽的平均距離如表(一)所示。假設各行星的公轉軌道皆位在同一平面上,且軌道接近圓形,根據各行星公轉的位置變化判斷,下列哪一組行星最接近時的距離最短?
(A)金星與地球
(B)木星與火星
(C)地球與木星
(D)火星與土星
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在正常情形下,當人體進行呼吸運動時,下列何者為吸氣過程的變化或狀態?
(A)橫膈下降
(B)肋骨下降
(C)胸腔體積變小
(D)肺臟內的氣體壓力持續大於體外大氣壓力
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲、乙、丙、丁分別位在地球上經度相同、緯度不同的四地,如圖(十五)所示。在不考慮天氣因素下,下列關於各地在不同季節時受日照的時間長短比較,何者正確?
(A)若北半球為夏季,則丙地日照時間較乙地長
(B)若北半球為冬季,則甲地日照時間較丁地長
(C)若南半球為夏季,則丁地日照時間較丙地長
(D)若南半球為冬季,則乙地日照時間較甲地長
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖(十六)為太陽光、月球與地球三者的相對位置關係示意圖,圖中標示地球北極以及其自轉方向,X 點為月球上的參考點。圖(十七)為當時地球上觀察者可見的月相。若以白色部分表示月球實際受到太陽光照射的範圍,灰色部分表示月球實際未受到太陽光照射的範圍,則下列何者最能表示圖(十六)當時月球實際受到太陽光照射的情形?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖 ( 九 ), 半圓 BC 與 ∆ABC 的一邊 AC 相交於 D 點, E點在BC上,且AE為∠BAC的角平分線。若BD= 10, EC = 9,∠ ABC = 90° ,則 E 到 AC 的距離為何?
(A) 5
(B) 6
(C) 11/2
(D) 25/4
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