To date, 12 astronauts have walked on the lunar surface. While nobody has set foot on its surface since 1972, plans are in place to return people to the Moon soon. In order to increase our knowledge of the Moon and carry out experiments on its surface, people and machinery first need ...
Space exploration has made great progress. Astronauts ___ on the moon several times already. A. walked B. have walked C. walk D. had walked 相关知识点: 试题来源: 解析 B。解析:“already”是现在完成时的标志词,表示到现在为止已经发生的动作或存在的状态。句子说宇航员已经在月球上行走了几次,...
【题目】综合阅读T he astronauts who walked on the Moon(A) had to wear big spacesuits. T hey providedair for them to (B)_, because there is no air on the Moon. (C) They also kept the astronauts cool during the hot Moon days and warm during cold nights.(D) With no atmosphere(大...
-Astronauts(宇航员) have to wear heavy clothes on the moon.-Yes. and that's why they very slowlyA. have walkedB. are walkingC. walkD. will walk11. - It's raining heavily. Can we play footbal this afternoon? 相关知识点: 试题来源: ...
This year marks 45 years since Neil Armstrong became the first person to walk on the moon,taking“one small step for man and one giant leap for mankind.”Overall,12 American astronauts have walked on the lunar landscape,the last doing so in 1972. ...
由最后一句So popular was the originalFerris wheel that the name Ferris wheel is nowgenerally connected to all such structures.可知D项正确。30.C猜测词义题。由This historic invention was dismantledand later put up twice after its original erection(直立)可知,画线部分与put up构成反义词,所以C项正确...
The exploration of space has been important in American’s history. American astronauts have walked on the moon, lived on the Mir space station, and orbited the earth many times in the space shuttle. DateProgramCrewDetails5/5/61Mercury RedstoneShepard1st
Armstrong’s biggest moment came in 1969, when he was chosen for the first manned lunar mission of NASA, along with Buzz Aldrin and Michael Collins. On July 21, 1969, he set foot on the surface of the moon, which made him the first human to do so. After returning, Armstrong became ...
By the time the Apollo missions came to an end, 12 astronauts had walked on or driven over the moon's surface, conducting scientific research and snagging rocks to bring back to researchers on Earth. These samples are still being used to make new discoveries more than 50 years after they ...
They walked on the moon in July 1969./In July 1969.,Because the moon is very cold and at other times it is very hot, and there is no air on the moon./Because they have to wear special clothes to protect themselves.,I will weigh 12 kilos.,Because it reflects the light of the sun...