The sentence “Kissinger was alarmed by China’s first atomic blast in October, 1964.” is best translated into “基辛格被1964年10月中国原子弹首爆吓了一跳。”.
The sentence “Kissinger was alarmed by China’s first atomic - Final Exam - 大学英语综合技能提升 - U校园 | 大学网课搜题引擎