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Telescopes · 望遠鏡單元測驗卷
太空 Space · CEFR B1 · 滿分 100 分
教師用 · 含解答
班級 ______________座號 __________姓名 ______________日期 ______ / ______得分 __________
一、單字配對(20 分)
把右邊的代號填進左邊的括號裡。
- 1.telescope( )
- 2.gather( )
- 3.magnify( )
- 4.lens( )
- 5.mirror( )
- 6.faint( )
- 7.twinkle( )
- 8.observatory( )
- 9.galaxy( )
- 10.distant( )
- A.望遠鏡
- B.透鏡
- C.閃爍
- D.遙遠的
- E.放大
- F.微弱的
- G.星系
- H.收集
- I.反射鏡
- J.天文台
二、選擇題(30 分)
( )1.What is a light year?
- (A) A year on another planet
- (B) The distance light travels in one year
- (C) How long light lasts
- (D) The brightness of a star
( )2.What is a telescope's main job?
- (A) Magnifying
- (B) Gathering light
- (C) Taking photographs
- (D) Measuring heat
( )3.Why do large telescopes use mirrors instead of lenses?
- (A) Mirrors are cheaper
- (B) A big mirror can be supported from behind
- (C) Lenses are illegal
- (D) Mirrors magnify more
( )4.Why do stars twinkle?
- (A) They pulse
- (B) Moving air blurs their light
- (C) They are very hot
- (D) They spin
( )5.Why is infrared useful in astronomy?
- (A) It is brighter
- (B) It passes through dust clouds
- (C) It travels faster
- (D) It is easier to see
( )6.How far away is the nearest star after the Sun?
- (A) 0.4 light years
- (B) 4.2 light years
- (C) 42 light years
- (D) 420 light years
三、填空(每題填一個單字)(30 分)
- 1.A bigger mirror can ____ more light.(提示:收集)
- 2.A ____ object stays invisible however much you enlarge it.(提示:微弱的)
- 3.Moving air ____ the image, so stars appear to shimmer.(提示:使模糊(第三人稱))
- 4.The ____ is built high on a dry mountain.(提示:天文台)
- 5.____ light can pass through clouds of dust.(提示:紅外線)
- 6.Andromeda is the most ____ thing you can see with your eyes.(提示:遙遠的)
四、簡答(用英文回答,一到兩句即可)(20 分)
1.Why is a telescope like a time machine?為什麼望遠鏡像時光機?
2.Why are space telescopes sharper than telescopes on the ground?太空望遠鏡為什麼比地面望遠鏡銳利?