问题
选择题
| Ladies and gentlemen, please fasten your seat belts. The plane ____. |
| A. takes off B. is taking off C. has taken off D. took off |
答案
答案：B
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| Ladies and gentlemen, please fasten your seat belts. The plane ____. |
| A. takes off B. is taking off C. has taken off D. took off |
答案：B
下列文献摘录与马克思主义诞生有关[ ]
……无产者在这个革命中失去的只是锁链。他们获得的将是整个世界。 | 这些联合殖民地从此成为、而且名正言顺地成为自由独立的合众国…… | 不经议会的批准，国王不能征税，也不能在和平时期维持常备军…… | 在权利方面，人们生来是而且始终是自由平等的。…… |
A | B | C | D |