31(善⑨B考什么命题人考查的是现代中国的科技成就。Q么考●题干“1984年”的“二十年前”是1964年。1970年,中国第一颗人造卫星发射成功,使中国步入航天时代,这与题干时间不符,排除A、C两项。1964年,中国第一颗原子弹爆炸成功,原子弹的试爆成功极大增强了我国的国防力量,故正确答案为B;载人航天技术突破是在20世纪90年代之后,与题干时间不符,排除D项。

书面表达Dear Smith,I am very glad to hear that you're interested in the Sunshine Sports of our school last week.Now let me give a brief introduction of it.The activity was held in our school last Friday morming. All the athletes from differentclasses took part in it. At the opening ceremony, our headmaster impressed us on the importancehysical activities. Then we carried out various activities, running, cycling, and jumpingphyincluded. All the participants showed themselves to the fullest through the platform provided byour school. Eventually, there was an award ceremony for the winners.veryone thinks highly of the activity, because not only is it a stage where we students canEimprove our fitness, but also it is beneficial to our mental health.Yoours

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