A.It will end up as a supernova.
B.It can be seen only through binoculars.
C.It is the only star that sends out an ultraviolet laser.
D.Its ultraviolet laser is brighter than that of the Sun.
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单选题 | The workers in that factory __manufacture__ furniture. | 查看答案 |
单选题 | The coral island nations of the Pacific have a long history of civilization. | 查看答案 |
单选题 | Paragraph 3 _____________ | 查看答案 |
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单选题 | The heat released by burning oil and coal is the direct cause of global warming. | 查看答案 |
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单选题 | “Some” in the last sentence of the first paragraph refers to | 查看答案 |
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单选题 | Even the most sophisticated Japanese robots are __________. | 查看答案 |
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单选题 | The high-speed trains can have a major __impact__ on travel preferences. | 查看答案 |
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单选题 | Astronomers are particularly interested in Eta Carinae because | 查看答案 |
单选题 | Can you __follow__ the plot? | 查看答案 |
单选题 | In the latter case the __outcome__ can be serious indeed. | 查看答案 |
单选题 | Some industrialized countries are unwilling to spend money in reducing pollution. | 查看答案 |
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单选题 | Robots are less popular in Britain today partly because ________. | 查看答案 |