问题
问答题 简答题
车用发动机机油符号中W代表何意？
答案
参考答案：
是英文单词（Winter）的第一个字母，表示该机油可在低温下使用。W前的数字表示低温粘度等级。如：0W、5W、10W、15W等。
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车用发动机机油符号中W代表何意？
参考答案：
是英文单词（Winter）的第一个字母，表示该机油可在低温下使用。W前的数字表示低温粘度等级。如：0W、5W、10W、15W等。
| 阅读理解。 | ||||||
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| 1. In the passage, _____ is the youngest player. | ||||||
| A. Pele B. Yao Ming C. Steffi Graf D. Martina Navratilova | ||||||
| 2. _____ comes from South America. | ||||||
| A. Pele B. Yao Ming C. Steffi Graf D. No one | ||||||
| 2. _____ comes from South America. | ||||||
| A. Pele B. Yao Ming C. Steffi Graf D. No one | ||||||
| 4. Which of the following is WRONG? | ||||||
| A. Pele was born in a poor family. B. Pele was a great football player. C. Pele played football in the street all his life. D. Pele became famous soon after he was picked to play for Santos. | ||||||
| 5. From the passage, we know that _____. | ||||||
| A. Martina Navratilova was also a tennis player B. Steffi Graf was born in Wimbledon in 1985 C. Steffi Graf won the tennis final when she was only 16 D. Steffi Graf has won few of the main matches since 1985 |
