A.the lidar detector needs improvement.
B.many airlines are interested in the system.
C.passengers often forget to fasten their seatbelts.
D.the lidar detector can be used in a wide range of areas.
单选题 | The heat released by burning oil and coal is the direct cause of global warming. | 查看答案 |
单选题 | Norman Blamey is an artist of deep __convictions__. | 查看答案 |
单选题 | Even the most sophisticated Japanese robots are __________. | 查看答案 |
单选题 | Which of the following statements about Flowers and Yeo is true? | 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 |
单选题 | He talks tough but has a __tender__ heart. | 查看答案 |
单选题 | It is no use __debating__ the relative merits of this policy. | 查看答案 |
单选题 | The union representative ___put across__ her argument very effectively. | 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 | __Up to now__, the work has been easy. | 查看答案 |
单选题 | Our lives are __intimately__ bound up with theirs. | 查看答案 |
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单选题 | Paragraph 2 _____________ | 查看答案 |
单选题 | Which country is the largest coffee producer? | 查看答案 |
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单选题 | Paragraph 5 _____________ | 查看答案 |
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单选题 | Which of the following is NOT mentioned as a cause of the problem discussed in the passage? | 查看答案 |