You cannot sec the Northern Lights unless you are in Alaska or Canad
A.A.Right
B.Wrong
C.Not mentioned
试卷相关题目
- 1The auroras are formed when the electrons falling into the Earth’s atmosphere at the poles and colliding with gas molecules in the atmosphere.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 2Some scientists are worrying about the possible disappearance of the Earth’s protective magnetic field in the future.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 3The Earth is quite safe with a magnetic field surrounding it to protect it from the attack by the solar wind.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 4The Sun’s gravity is too weak to keep its plasma from flowing to the Earth.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 5Norman Blarney is an artist of deep <u>convictions</u>.
A.statements
B.beliefs
C.suggestions
D.claims
开始考试点击查看答案 - 6Tens of thousands of tourists take special trips to Norway and Sweden every year to watch the Northern Lights.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 7An aurora is generally close to the ground and is very long and thick.
A.Right
B.Wrong
C.Not mentioned
开始考试点击查看答案 - 8What is so special about WISE、
A.It is small in size but carries a large camera.
B.It is as small as a trashcan.
C.Its digital camera can help astronomers to see the unknown space.
D.Never before has a telescope carried a digital camera in spac
开始考试点击查看答案 - 9Which is NOT the synonym for the word "snap" in the third paragraph、
A.make.
B.shoot.
C.take
D.photograph.
开始考试点击查看答案 - 10The camera on WISE _____
A.is no different from an ordinary camera.
B.does not see infrared radiation while the ordinary camera does.
C.catches the infrared radiation while the ordinary camera does not.
D.reflects light that human eyes can se
开始考试点击查看答案
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