揽瓜阁阅读做题小分队 第178天 火星生命探索

jenniferlsq

文章概括
1. Viking was sent to Mars to explore signs of life
2. But no sign was found, instead they found the atmosphere was deemed impossible for any life to survive
3. Later people found the limitation of Viking's sensors, along with extremophiles. Regan presidency brought back the will to return to Mars
4. Observer returned to Mars, tho exploded, brought back the vibe of Mars explorations. Now people are reexamining the sign of life on Mars with small steps
答案 DDBE

clairettt

Viking探索导致对火星探索的延迟，Viking探索的具体内容。
没有任何证据证明火星有生命，美国放弃对火星探索
发现e和发现探测工具有局限性--重燃对火星有生命体的希望，重启火星探索计划。
新探索计划Mars Observer，探索目标不再夸大，探索更系统。
DABE

720球球了

Mark一下！               

斯麦尔糖

cdba

大月亮cyn

文章大概结构：(ironic) NASA's Viking spacecraft --> Mars was dead -->  Factors motivate new Martian exploration --> the launch of Mars Observer
NASA's Viking spacecraft - life on mars, equipments to detect life
no life harsh conditions; the American exploration of space was left hunting for new directions
Martian exploration Motivation: 1. E discovered + V's limitation --> life; 2. competitive spirit of the Reagan presidency
--> the launch of Mars Observer ; modest goal; new sights

1. D V --> harsh condition; no life; dead Mars
2. D the limitations of Viking's sensors (which, it turned out, had been somewhat oversold in an effort to secure backing for the missions)
3. B a reexamination of the great question ~ back to ...
4. E 第四段第一句承上启下"These factors combined to bring about the launch of Mars Observer"

断了的弦

EEDE

黄富贵1926

看一下！               

Alan-Endless

同意！               

Ricky_Zhu

同意！               

Flynnisme

cdbe