题库
题库
A．warrant
B．obligation
C．assurance
D．certainty
| 单选题 | When driving in an automated lane, the driver ___________. | 查看答案 |
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| 单选题 | The Christmas tree was decorated with shining _____________ such as colored lights and glass balls. | 查看答案 |
| 单选题 | Some researchers feel that certain people have nervous systems particularly ___________ to hot, dry winds. They are what we call weather-sensitive people. | 查看答案 |
| 单选题 | According to the passage, birds often half sleep because ______________. | 查看答案 |
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| 单选题 | The Japanese scientists have found that scents ______________ efficiency and reduce stress among office workers. | 查看答案 |
| 单选题 | A new study on birds’ sleep has revealed that ____________. | 查看答案 |
| 单选题 | According to the passage, what kind of people are rare? | 查看答案 |
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| 单选题 | We learn from the first paragraph that two systems of automated highways __________. | 查看答案 |
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| 单选题 | He ____________ his head, wondering how to solve the problem. | 查看答案 |
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| 单选题 | Small farms and the lack of modern technology have __________ agricultural production. | 查看答案 |
| 单选题 | As soon as the boy was able to earn his own living he _________ his parents’ strict rules. | 查看答案 |
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| 单选题 | While sleeping, some water mammals tend to keep half awake in order to __________. | 查看答案 |
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