问题
单项选择题
炸药爆炸的三要素：
1.放出大量的热能；
2.反应速度快；
3.（）。
A、生成大量的气体
B、凝聚大量的能量
C、必须借用外界的力量
答案
参考答案：A
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炸药爆炸的三要素：
1.放出大量的热能；
2.反应速度快；
3.（）。
A、生成大量的气体
B、凝聚大量的能量
C、必须借用外界的力量
参考答案：A
When Julio Diaz stepped off the subway after work one night, he was simply planning to go to his favorite local diner for a meal. But when a teenage boy ________him with a knife, Diaz knew the evening was _______ to take a more dramatic(巨大而突然的) turn. The young man demanded Diaz’s wallet, and Diaz passed it over ______ objection(异议). But just as he turned to walk away, Diaz called, “Hey, wait a minute. You forgot _______.” The young man turned around, _________. “If you’re going to rob people for the rest of the night, you ______as well take my coat to keep warm.” The teenager looked at Diaz in disbelief, and asked ______ he would do such a thing. Diaz replied, “If you’re willing to ________ your freedom for a few dollars, I guess you _______ really need the money.”He said he was heading out for ________, and that he would be happy to take someone with him. The young man decided to take Diaz up on his_______. As they were sitting at the table, the manager, dishwashers and waiters all stopped over to say hello to Diaz, and the young man was amazed at his________. “Haven’t you been _______ that you should be nice to everybody?”Diaz asked him. “Yeah, ________ I didn’t think people actually behaved that way,” the teenager replied. ________ Diaz, he was beginning to see that _______ wasn’t so strange, after all. When the ________came, Diaz told the teen that he’d have to get the check.______, he still had Diaz’s wallet. But the teenager put the wallet on the table without a moment’s thought, and Diaz_______ him to dinner. Diaz also gave the would-be robber a $20 bill — in ________ for his knife. “I figure, you know, if you treat people right, you can only hope that they treat you right,” Diaz said.
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