问题
选择题
| It will take her a long time to _____ the skills she needs to become a famous player. |
| A. acquire B. inquire C. require D. request |
答案
答案：A
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| It will take her a long time to _____ the skills she needs to become a famous player. |
| A. acquire B. inquire C. require D. request |
答案：A
g·L
，则氢气的密度为（）。
