Water on the Moon NASA has confirmed the presence of water on the moon's sunlit surface，a breakthrough（1）suggestingsuggesting （suggest） the chemical compound that is vital to life on Earth could be distributed across more parts of the lunar surface than the ice that（2）was found/has been foundwas found/has been found （find） previously in dark and cold areas.
"We don't know yet if we can use it as a resource，" NASA Administrator Jim Bridenstine said，but he added that learning more about the water is still crucial.
The discovery comes from the space agency's Stratospheric Observatory for Infrared Astronomy，or SOFIA-a（3）modifiedmodified （modify） Boeing 747 that（4）cancan take telescope high into Earth's atmosphere， （5）wherewhere researchers may peer at objects in space with hardly any visual disturbance from water vapor.To detect the molecules，SOFIA also used a special camera to distinguish between water's specific wavelength of 6.1 microns and that of its close chemical relative hydroxyl，or OH.
The data confirm（6）whatwhat experts have suspected，that water might exist on the moon's sunny surface，though the form of it shall be（7）less obviousless obvious （obvious） to detect.Experts will now try to figure out exactly how the water came to form and why it persists.
"Data from this location reveal water in concentration of 100 to 412 parts per million trapped（8）inin a cubic meter of soil." NASA said in a release about the discovery.
"（9）Although/Though/WhileAlthough/Though/While without a thick atmosphere，water on the sunlit lunar surface should just be lost to space，" said Casey Honniball，the lead author of a study about the discovery. "Somehow we're actually seeing it."
There are several possible explanations for the water's presence，including an interesting yet reasonable（10）oneone claiming its origin to the stony micro objects from space.Small balls of glass from that process could trap water，according to the researchers' paper.
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【答案】suggesting；was found/has been found；modified；can；where；what；less obvious；in；Although/Though/While；one
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發(fā)布：2024/4/20 14:35:0組卷：20引用：1難度：0.3
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