A.who has not been instructed how to use a life preserver
B.who has a little experience in using a life preserver
C.who uses a life preserver without permission
D.who becomes nervous before a disaster
单选题 | Part of the cost of many articles is taken as tax by the government ________ the community. | 查看答案 |
单选题 | Cultural life in England takes so many forms that a brief summary can only attempt to ________ its variety. | 查看答案 |
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单选题 | Very few people understood his lecture, the subject of which was very ________. | 查看答案 |
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单选题 | The oil shortage ________ the prices of chemical fertilizers on the world market. | 查看答案 |
单选题 | Superconductors lose electrical resistance only ________ subjected to intense cold. | 查看答案 |
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单选题 | A foreign language like English is difficult to learn, so you ________ work too hard. | 查看答案 |
单选题 | In earlier researches on the newborn’s perception, scientists ________. | 查看答案 |
单选题 | According to the passage, when Einstein was at school, he ________. | 查看答案 |
单选题 | Since they betrayed us, they have no hope of convincing ________ their sincerity. | 查看答案 |
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单选题 | Contrary to what they believe, mothers have been told that newborns ________. | 查看答案 |
单选题 | This traditional entertainment for children in America has never, ________ I know, become popular in China. | 查看答案 |
单选题 | The writer argues that a system of social insurance should ________. | 查看答案 |
单选题 | Mr. Smith attends to the ________ of important business himself: | 查看答案 |
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