9bunit2greatpeople短语句子

9Bunit2 Great people

do you think is the greatest person in history

1966, he went into space as command pilot of Gemini 8. He and David Scott managed to join two spacecraft together for the first time in space.

, on their way back to the Earth, the spacecraft began spinning out of control.

received the order to cut the flight short. He successfully brought the spacecraft down into the western Pacific Ocean.

20 July 1969, Armstrong became the first man to walk on the Moon.

collected Moon rocks to take back to the Earth for further research.

of his excellent service, Neil Armstrongwas presented the Medal of Freedom, the highest award that a US citizen can receive.

8. Many modern inventions have made a great difference in our life.

9. It was brave of him to go to a place that was unknown to humans at that time.

also pushed for the use of X-ray machines, which are now widely used in hospitals.

think Yuan Longping, a rice scientist and a member of the Chinese Academy of Engineering, is one of the greatest people that have ever lived.

is why I admire him so much.

三、语法

1.一般现在时：经常性或习惯性的动作，常与表示频率的时间状语连用；表示客观真理、客观存在和科学事实；格言或警句。

2.现在进行时：表示说话时正在进行的动作；表示现阶段正在进行的动作。

3.一般过去时：在过去时间里所发生的动作或存在的状态；表示在过去一段时间内经常性或习惯性的动作。

4.过去进行时：表示过去某个时刻或某一阶段正在进行的动作。

5.现在完成时：表示过去发生或已经完成的某一动作对现在造成的影响或结果；表示过去已经开始，持续到现在的动作或状态。